Twinnovate identifies, develops and executes sustainable concepts within a diverse range of sectors from energy to agriculture to waste management, where our mission centers on extending product life-cycles. We seek out the best new initiatives and technologies and build long-term partnerships to bring them forward.
With a successful track record of collaboration all over the world and a large contact network, we are a partner that can respond quickly and efficiently to market opportunities. Twinnovate provides pathways from an idea to the full implementation of a business plan.
We offer consultancy services for businesses and organisations seeking sustainable solutions in a wide range of fields. Supported by an international network of experts, we ensure clients get the answers they need to navigate fast-moving markets and rapidly evolving legislation.
We specialise in business plans, market surveys, country entry, energy saving reports and due diligence on emerging technologies. Drawing on our deep knowledge of new technologies, we help clients to understand the market as it is today, how it evolved and how to make sound investments for the long term.
The geographically diverse nature of feedstock sources, such as wood, organic residues and waste streams like SRF/RDF, creates supply chain risk. Twinnovate’s trading unit aims to reduce this risk to help businesses attract investment into the bio-based economy and energy sector. Our goal is low-risk, long-term supply contracts with strategic partners.
In the fields where we are active, Twinnovate seeks involvement in all layers of the value chain. We aim to make connections and facilitate integration in order to increase the viability of business concepts and support profitability. We believe this approach sets Twinnovate apart in the market.
Further, we are committed to creating sustainable value chains that are socially, environmentally and economically sound. We are convinced that fairness among the actors in a chain represents a win-win, creating both a stronger, more sustainable chain and helping to build lasting relationships. Above all, we believe such chains support the faster development of new industries.
Vandaag presenteren de vier coalitiepartijen hun regeerakkoord. De kern van het regeerakkoord is: perspectief bieden door het aanpakken van de grote vraagstukken van dit decennium. Zoals de toekomst van de landbouw, de problemen op de woningmarkt en de ondermijning van de democratische rechtsstaat. En natuurlijk...
De nationale subsidiepot voor duurzame energieprojecten wordt dit jaar waarschijnlijk grotendeels geclaimd door projecten voor CO2-opslag onder de Noordzee. Maar door de hoge CO2-prijs hebben ze die subsidie momenteel helemaal niet nodig, terwijl andere projecten buiten de boot vallen, zeggen experts tegen NU.nl. Er werd...
Discussies over de duurzaamheid van houtige biomassa die in Nederland al enige tijd worden gevoerd, steken ook steeds vaker elders in Europa de kop op. Zeker als het gaat om het opwekken van energie. Met de toenemende aandacht voor groene chemie zullen echter ook de...
Biomassa is en blijft noodzakelijk voor de verduurzaming van onze economie en het realiseren van de klimaatopgave. Circa 3,9 miljoen ton in 2020 (20% van het totaal) wordt gebruikt voor energiedoeleinden. Het gebruik is met bijna 1,3 miljoen ton (48 %) toegenomen ten opzichte van...
UTRECHT – Maanden of zelfs jaren wachten voordat er stroom is in je nieuwe bedrijfspand, supermarkt, verzorgingstehuis of school. Steeds vaker wordt dit realiteit, nu de vraag naar elektriciteit voor laadpalen, inductiekookplaten en warmtepompen rap toeneemt, maar het uitbreiden van het elektriciteitsnetwerk het tempo niet kan...
The Netherlands has been applying a national CO2 tax since 1 January 2021, but industrial companies were immediately exempted due to Covid-19. Now political parties and environmental organizations are stoking the fire: it is time for the industry to pay, because the sector is running...
ArcelorMittal Gent is starting a pilot project to use biocoal in its steel production process as a high-quality partial replacement of fossil coal. The biocoal is responsibly sourced from the Dutch company Perpetual Next, which produces the biocoal using its patented high-temperature torrefaction technology. The...
Nearly 60 percent of companies in Europe feel more or less exposed to the effects of climate change. The good news is that more and more companies are taking climate action. Dutch companies are leading the way, according to research by the European Investment Bank...
The rate at which the climate is changing is unprecedented in at least two thousand years and possibly much longer. In addition, some aspects of climate change risk becoming irreversible for a period of centuries or even thousands of years, such as rising sea levels....
By 2035, 100 percent of electricity could be renewable, scientists say. But then the government has to make rules that companies must adhere to. CO2-free energy must become the norm as soon as possible. That is what the Climate Crisis Policy Team (KBT) writes in...
Emissions from the global mobility sector will increase by 16 percent by 2050, even if governments and companies implement the current CO2 reduction plans. The International Transport Forum (ITF) will announce this today. However, with the right policy, co2 emissions from transport can be reduced...
The European Commission wants to create transparency with a ‘taxonomy’ about what a green investment is and what is not. Eu taxonomy is currently the buzzword in the financial sector when it comes to sustainable financing and investing. But the original good idea does not...
The port of Rotterdam wants to import green hydrogen from South Australia. The port authority and the Australian state signed an agreement in principle in which they agreed to explore the feasibility of the cooperation. Despite the transport costs, the hydrogen could be competitive with...
Although many companies have ambitious climate goals, there is still a long way to go before these goals are actually met. It is therefore time for action, notes the Group Climate Action 100+ (CA100), which consists of a lot of pension funds and investors. CA100...
In the wonderful world of the ocean, whales and other marine life can play a key role in the race to slow global warming, scientists claim in a study. “A whale stores as much CO2 as three thousand trees,” the KNMI writes. The whale is...
Neptune Energy is the largest gas production company in the Netherlands, and extracts 8.5 million cubic meters of natural gas from the North Sea every day. The gas producer’s mission is to supply energy with the smallest possible CO2 footprint, and therefore uses hydrogen and...
The VVD wins the most votes in the preliminary results of the Dutch parliamentary elections and D66 also makes a big unexpected leap. The left-wing parties are lagging behind. What does this election result mean for sustainable developments? CSR Netherlands will talk to experts about...
Research from the American University of California shows that food residues and puddles and poo from animals and humans can be used as jet fuel. By refining the remains, a fuel is created that airlines can mix with kerosene. It would save huge amounts of...
This year, a record 37 parties are on the ballot paper. And although all parties face something different, more and more Parliamentary candidates are making themselves heard about the climate. Already an idea of which party you are going to vote for, but still looking...
A new technique makes storing CO2 underground cheaper and more environmentally friendly, say researchers at the Department of Energy in the United States. They found a new solvent that costs less and works better than the resources companies now use to capture and store CO2....
The port of Rotterdam must become the hydrogen hub of Europe. And the most sustainable in the world, according to Henri Bontenbal and Sven de Langen. It takes an enterprising government with courage. The port of Rotterdam is one of the corks on which the...
IT company Atos is working on a data center that runs on green hydrogen. By extracting the power from this source, it is not dependent on the variable yield of solar and wind and can therefore run the data center continuously. Energy supplier HDF Energy...
Nederlanders hebben een beperkt inzicht in de energietransitie. Zo overschatten ze de hoeveelheid duurzame energie. Het aandeel zonne-energie wordt het meest overschat: volgens respondenten is dat 19 procent, in werkelijkheid is het 1 procent. Dit blijkt uit een opinie-onderzoek door Motivaction. De Klimaatwijzer is vandaag...
An estimated 23,000 to 28,000 additional workers are needed to meet climate targets. At the same time, the number of people with technical qualifications is falling at a similar rate. This is evident from research by Ecorys commissioned by the Dutch Sustainable Energy Association (NVDE)....
In the north of Sweden (near Boden) there will be a factory to produce 5 million tonnes of ‘green steel’ per year by 2030. This steel, made using sustainably generated hydrogen, should become the future for the Swedish steel industry. The initiators behind H2 Green...
On 17 February 2021, Follow the Money delivered a solid piece on the lobby of oil companies for CO2 storage, disguised as enthusiasm for hydrogen. That was, of course, oil on the fire of the already blazing resistance to CCS. Follow the Money’s piece was sent to me...
With 20 biobased circular projects, the process industry can achieve more than half of its climate goals in the Delta region. This is the conclusion of research commissioned by the Circular Biobased Delta, supported by the provinces of North Brabant, Zeeland and South Holland. In...
Legacy Foundry has entrusted Twinnovate with the exclusive worldwide mission of bringing forward the Floating Territories business Legacy Foundry is a Swiss technological incubator founded in 2017 that transforms patentable inventions into industry-disrupting companies. Legacy Foundry has developed a ground-breaking solution that addresses two global...
Forests are often perceived as being at the nexus of the solutions to the two main environmental crises that are plaguing our planet today: Climate change and biodiversity loss. The EU has conceived the European Green Deal with the specific purpose to mitigate both phenomena....
Europe used renewable electricity sources (38 percent) for the first time last year (38 percent) than fossils (37 percent), according to research by Ember and Angora Energiewende. However, according to the research organisations, it is not moving fast enough to meet the climate targets in...
From the 1st to 6th of February 2021 it is the Week of the Circular Economy. Circular entrepreneurs, organizations and government agencies share their experiences and tips on the circular economy that week. This shows how circular entrepreneurship works in practice, so that others can...
What will the energy supply in the Netherlands look like in 2050? Is there still room for biomass, especially as a source of heat, or are alternatives available? A lot can happen in three decades (or not), so it keeps looking coffee grounds. In the...
Germany's Uniper, formerly the fossil arm of E.ON, plans to be climate neutral by 2050. By 2030, half of all emissions should be gone by now, the company says in a vision it published this week.
If you want to lend a hand to the ambitious The Ocean Cleanup, you can now buy sunglasses made of fished plastic. All proceeds go to the project, which aims to clean up the large plastic soup in the ocean with floating installations. The frame...
Strong targets to lower the Netherlands’ reliance on fossil fuels are backed by measures to safeguard energy security, including leadership on low-carbon hydrogen.
In the Throne Speech, King Willem-Alexander explicitly mentioned climate. Climate change is no less urgent because of the coronavirus, he said.
According to DNV GL's Energy Transition Outlook published on September 9, 2020, the behavioral and economic consequences of COVID-19 will permanently reduce global energy demand.
The European Commission is tightening measures to meet the climate neutrality target by 2050.
If the government introduces a CO2 tax, jobs will be lost at Yara in Sluiskil and Dow in Terneuzen.
New figures reveal that the bioeconomy is worth €2.4 trillion to the European economy. In a year of challenges, fresh data today highlights the ascent of the bio-based industries, that in 2017 made a total contribution of €750 billion to the European economy, a notable...
Yesterday, Energie-Nederland published a nice brochure about "Good practices in the heat transition".
Twinnovate B.V. is pleased to announce the appointment of Kees Laban as Chief Financial Officer of the Company. Kees will start with the Company on 1 July 2020. Kees most recently held the position of Chief Financial Officer with Sloe Centrale, a joint venture between...
PBE aims to contribute to the transition from a fossil to a fully renewable and sustainable low-CO2 society in which product chains are as circular and biobased as possible. In this transition, bioenergy is an integral part and closely interwoven with the biomass raw materials...
Construction, conversion and dismantling are the key words of the SER advice ‘Biomass in balance. A sustainability framework for the use of bio-raw materials’. Build-up of high-quality The future of bio-raw materials lies in its high-quality use as a raw material for chemistry and materials....
“The wise know too well their weakness to assume infallibility: and he who knows most knows best how little he knows.” ~ Thomas Jefferson Twinnovate has develop and focused itself on specific markets in recent years by deploying a new strategy, way of working and...
TWINNOVATE : BUILDING UNIQUE SUSTAINABILITY TOGETHER This is an article from the digital magazine from KH Engineering Co-founders Arjen and John Bouterse of Twinnovate BV have decades of experience in the waste and energy sector. ‘Making energy from waste is great, but we want to take it...
An explanatory video (archive footage) on collected information about forest biomass in Europe analysed by the JRC (Joint Research Centre). LinkedIn0Facebook0Tweet0Pin0Email0Print0
Last week, the Netherlands Environmental Assessment Agency presented a report on biomass, a much discussed source of sustainable energy. Is biomass a temporary barrier for sun and wind, or indispensable for the future? And is it actually sustainable? More and more wind farms and especially...
The draft recommendations are available from today on the website www.pbl.nl/sde. Stakeholders can respond in writing to the draft advice and the underlying cost findings. A consultation form has been made available for this purpose on the same website. This written response must be received...
Indonesia will take major steps in the coming years to reduce litter in the ocean around the country. With a new action plan, companies, governments and NGOs from Indonesia together hope to reduce the amount of plastic pollution by 70 percent within five years. It is...
Continuation and strengthening of the Climate Agreement as the best basis for green recovery The corona crisis has a major impact on our society – as well as on the sustainable energy sector and the energy transition. This is evident from this second survey conducted...
Brewery Grolsch wants to get 72 percent of its heat from biomass by 2022. The company will soon receive hot water from biomass company Twence, which is located one and a half kilometers from the brewery. This saves Grolsch 5,500 tons of CO2 per year....
In 2019, the Netherlands generated 13 percent more renewable energy than in 2018. That brings the total share of sustainable energy to 8.6 percent in 2019, compared to 7.4 percent in 2018. Solar energy and biomass were the biggest risers. This is evident from the...
Wind and sun are the driving forces behind the energy transition, but more is needed to achieve the climate goals. Biomass plays a crucial role in this, says Taco Douma, director of coal, gas and biomass plants at RWE. This can also be done sustainably...
Inventarisatie van effecten op duurzame energiesector Door de coronacrisis vallen veel projecten in de duurzame energiesector stil. Ook komen nieuwe projecten in gevaar doordat de vergunningverlening vertraging oploopt. Dit blijkt uit een inventarisatie van de Nederlandse Vereniging Duurzame Energie (NVDE) onder haar leden. Om de...
The subsidy scheme for the Stimulation of Sustainable Energy Production (SDE +) will be open in the spring of 2020 from Tuesday 17 March, 9.00 am. Companies and institutions can apply for SDE + for the production of sustainable energy. The SDE + spring round 2020 runs...
14 percent sustainable energy in 2020; that is the opinion of the Council of State. That goal already seems out of reach. In fact, the Netherlands is at the bottom in Europe when it comes to sustainable energy. How can we accelerate the energy transition? We asked Olof van der...
The first round of the broadened Stimulation Scheme for Sustainable Energy Production (SDE ++) will be opened between September 29 and October 22, 2020. Minister Wiebes of Economic Affairs and Climate wrote this in a letter to the House of Representatives about the progress of the...
In the United States (US), the North Carolina Department of Agriculture and Consumer Services (NCDA&CS) has announced that the North Carolina (NC) Bioenergy Research Initiative and the New and Emerging Crops Program has awarded US$1 million in grants for 15 projects to boost bioenergy opportunities...
Compostable plastic can go well with organic waste in the composting bin. This is evident from research by Wageningen University & Research. In a typical compost mountain in which both plastic and organic waste is present, no grain of compostable plastic can be found over time. read...
Finland-headed forest industry major UPM has announced that it will take the “next transformative growth step” and enter the biochemicals business by investing EUR 550 million in an industrial-scale biorefinery in Leuna, Germany. The biorefinery will produce a range of 100 percent wood-based biochemicals that...
In 2019, the Netherlands generated 13 percent more renewable energy than in 2018. That brings the total share of sustainable energy to 8.6 percent in 2019, compared to 7.4 percent in 2018. Solar energy and biomass were the biggest risers. This is evident from the...
Energy company Eneco is being acquired for 4.1 billion euros by a Japanese consortium led by Mitsubishi. This concern receives 80 percent of the shares. The rest will go to Japanese energy company Chubu, Eneco confirms on Monday. Read the whole article here (in Dutch) LinkedIn0Facebook0Tweet0Pin0Email0Print0
A European consortium including Wageningen University & Research, has analyzed the current and future use and management of forests in the southeastern United States. This shows that sustainable export of wood pellets is possible and depends on developments in the traditional forestry industry. This research is part...
Large companies should no longer strive to maximize profits at the expense of their employees or the environment. Instead, they must respect human rights and protect the environment. 181 CEOs of large American multinationals make this call. The call comes from the Business Roundtable, an American partnership...
Ethiopia claims to have a new world record. Last week, 350 million new trees were planted in one day, various media report. The old record was in the name of India, where 50 million trees were planted in 2016. The planting is part of the so-called Green...
From April next year, the United Kingdom will be less dependent on coal for energy supply. Energiemaatschappij RWE is closing a coal-fired power plant with a capacity of 1.5 gigawatts. The decision leaves three power stations. RWE closes the coal-fired power station in Wales because the coal...
The Dutch Sustainable Energy Association (De Nederlandse Vereniging Duurzame Energie or NVDE) is the organization of entrepreneurs in sustainable energy in the Netherlands. The association was established in 2015. The renewable energy activities at more than 1500 affiliated companies already represent a turnover of around...
Friday 28 June has become the day on which the Netherlands presented its Climate Agreement. Difficult discussions are settled in this. For example, there will be a CO2 tax. Research into various forms of road pricing is also no longer taboo. In addition to a CO2 tax and...
A number of companies at the Delfzijl chemical park are becoming more sustainable through the use of more sustainable steam. It comes from the Energy from Waste (EEW) company, which has been supplying steam to the park since 2010. The chemical park expects that 100,000 tons of...
Twinnovate B.V., a multi-disciplined environmental service companyis delighted to announce the appointment of Frank van den Broeck as Managing Director for the trading activities. Frank brings with him 20 years of leadership experience and knowledge of the waste management and trading industry. After served in different management...
Countries do not invest enough money in renewable energy. At the same time, investments are being made in fossil energy. According to the International Energy Agency (IEA), investments in renewable energy must more than double. Worldwide, more than $ 1.8 trillion was invested in energy in 2018. These...
The emission of greenhouse gases in the Netherlands was reduced by approximately 2 percent in 2018 compared to 2017. The decrease was due to lower CO2 emissions from energy companies, smaller livestock numbers and less CO2 emissions in industry. This is evident from provisional figures...
The United Kingdom ran a week without energy from coal-fired power stations. This is announced by the network operator Electricity Systems Operator (ESO). It is the first time since the introduction of the coal-fired power stations in 1882 that this has happened. According to British media, the...
The port companies of Rotterdam, Antwerp and North Sea Port are joining forces to make CO2 storage in the sea possible. The companies, which represent the ports of Rotterdam, Antwerp, Ghent, Terneuzen and Vlissingen, have submitted a grant application for this to the European Commission. The Belgian...
A new biomass plant should help chemical company DSM in Switzerland to further reduce CO2 emissions. The plant supplies heat and energy for a large vitamin factory from DSM. The French energy company Engie is using the sustainable energy plant. The biomass plant supplies steam...
Oil from sawdust: this is possible with pyrolysis. The Dutch company BTG-BTL is going to build several factories in Finland where sawdust is converted into oil. The total investment of the Finns is € 100 million. The pyrolysis technology that is brought to Finland has...
The next level biotechnology offers the opportunity to build our bio-renewable future. Dutch innovation campus Biotech Campus Delft, owned by multinational Royal DSM, and tech incubator YES!Delft have teamed up to support biotechnology start-ups through a special Biotech Validation Lab. Under the initiative, biotech start-ups...
The province of Noord-Brabant is investing a million euros in a technology in which iron powder can be used as an energy carrier. The powder can, among other things, replace coal in coal-fired power stations. The technology has been developed by students from Eindhoven University...
The United Arab Emirates (UAE) want to get a lot of energy from renewable sources in the coming years. The largest battery in the world should help with this, with a capacity of more than 100 megawatts. This reports tech website Quartz. In the United...
The USA based companies Wesley K. Clark & Associates LLC, Witt Global Partners and Dutch based company Twinnovate B.V. have agreed to actively cooperate on international biobased projects and waste management with the main objective to reduce C02 emissions. Parties aim to significantly reduce CO2...
Modern bioenergy will have the biggest growth in renewable resources between 2018 and 2023, underscoring its critical role in building a robust renewable portfolio and ensuring a more secure and sustainable energy system, according to the International Energy Agency’s latest market forecast. Renewables will continue...
In the coming decades, the demand for energy worldwide will rise sharply, according to a report from the International Energy Agency (IEA). In 2040 we all use a quarter more than now, provided the world deals efficiently with energy. If not, the demand increases even...
Approximately 120 million cubic meters of green gas will be certified in 2018, the certifying organization Vertogas expects. The organization issued the millionth Guarantee of Origin in October. That is an increase of 22 percent compared to last year. Then another 98 million cubic meters...
Swiss chemical company Clariant will start in 2018 with the construction of a full-scale cellulose-ethanol plant in southwest Romania. The plan is a next step towards the commercialization of bioethanol. The installation, based on Clariant’s Sunliquid technology, will have an annual production capacity of 50,000...
The Netherlands is the furthest from all European countries to the European agreed renewable energy target. This is one of the findings from the biennial evaluation of the Infrastructure and Space Monitor (MIR) in which the Structure Vision on Infrastructure and Space (SVIR) of the...
Bamigo, Bambooo, Nooboo, the number of companies that use bamboo as a raw material for clothing, is growing steadily. Fabric made of bamboo is according to these start-ups more hygienic and cooler than textile made of cotton. That bamboo is also produced in a more...
The Netherlands Environmental Assessment Agency (PBL) calculated the environmental damage in money that the Netherlands incurs as a result of the emission of harmful substances to soil, water and air. That amounts to 31 billion euros annually. This loss of welfare for Dutch society equals...
82% of the woody biomass used for energy production in the Netherlands comes from the Netherlands. The remainder largely comes from the directly surrounding countries. The contribution to the reduction in greenhouse gas emissions amounted to 1 million tons. The Bio-Energy Platform (PBE) publishes these...
Twinnovate is a project development company in renewable energy. The core activity concerns the development and implementation of biomass treatment and processing technologies for the production of bio-energy. In the Netherlands, Twinnovate specializes in the realization of SDE + projects. It is active worldwide in...
ENERGY TRANSITION The reduction of greenhouses in the industry has been accelerated by the government’s objectives to stop gas production. Where objectives and challenges merge, the market usually stagnates. New investments, making choices when concluding collaborations and evaluating innovative technologies that should make this possible,...
The Cabinet wants the gas production in Groningen to be completely stopped in the coming decade and is taking measures for this. This goes step by step, says Prime Minister Mark Rutte Thursday. Dutch gas production is currently 21.6 billion cubic meters per year. By...
NVDE is one of the parties in the broad coalition (including energy companies, installers and environmental organizations) who advocate the end of the old-fashioned central heating boiler. “It is time for new warmth,” says Olof van der Gaag. “Saying goodbye to the old-fashioned central heating...
Bottlenecks in the labor market can impede the planned energy transition. That is the conclusion of the quick scan ‘Effects of the energy transition on the regional labor market‘. The PBL carried out this research at the request of the ministries of the Ministry of...
Eric Wiebes, Minister of Economic Affairs and Climate, has informed companies by letter that they must stop accelerating the use of Groningen gas. In 2022 industrial large users of low calorific gas can no longer use gas from Groningen. This is reported by the...
The European Parliament voted on Wednesday to strengthen the EU’s sustainable energy objectives. The parliament states that sustainable energy must have a 35 percent share in the energy mix by 2030. With this the target has been substantially increased; in 2016 it still voted for...
The Government-wide circular economy program publishes five transition agendas on 15 January. These agendas should accelerate the road to a circular economy. Emmo Meijer, figurehead of Top Sector Chemistry and Chairman of the Biomass and Food Transition Agenda, thinks we should use biomass economically. “Biomass...
The budget for the SDE + spring round 2018 is again € 6 billion. A second round of opening is expected in the autumn. The minister intends to make the same budget available. He will take a final decision on this in June 2018. The...
Employment in the environmental sector has increased. Figures from Centraal Bureau voor Statistiek (CBS) show that employment rose by nearly 14% between 2001 and 2015 in the sector. The data are published in the web publication ‘Green Growth’ of Statistics Netherlands. This is the image...
The coal-fired power station in Geertruidenberg runs from this Wednesday partly on wood pellets. Because energy from biomass counts as sustainable. This Wednesday the first ship with wood pellets moors at the Amercentrale in Geertruidenberg. Pellets, pressed sawdust in the form of dog biscuits, will...
Renewable energy generation and savings are increasing, energy consumption and greenhouse gas emissions are falling. However, different targets for energy and climate in 2020 will not be achieved. The road to a sustainable energy supply over time will require clear policy choices in the coming...
by Peter Jones When people want to argue that this whole recycling lark has gone a bit too far, they often regurgitate a peculiar factoid: that, on a careful analysis of the pros and cons, incinerating waste paper and card to generate energy has greater...
An inventory of the VNCI shows that Dutch chemistry has about thirty promising biobased initiatives, varying from lab scale to pilot plants and demo factories, according to the May edition of Chemie Magazine. This new chemistry uses (organic) waste, plant material and recycling. Financing and...
Martin Scheepers, Director Biomass and Jaap Kiel, Program Development Manager Biomass of ECN explain why biomass is necessary for a successful energy transition. De discussies over biomassa gaan vaak alleen over de vraag of we biomassa wel moeten inzetten als duurzame energiebron. Dat is...