References
Olah, G. A., Goeppert, A. & Prakash, G. K. S. Chemical recycling of carbon dioxide to methanol and dimethyl ether: from greenhouse gas to renewable, environmentally carbon neutral fuels and synthetic hydrocarbons. J. Org. Chem. 74, 487–498 (2009).
Sterner, M. Bioenergy and Renewable Power Methane in Integrated 100% Renewable Energy Systems: Limiting Global Warming by Transforming Energy Systems Renewable Energies and Energy Efficiency Vol. 14 (Kassel Univ. Press, 2009).
Zeman, F. S. & Keith, D. W. Carbon neutral hydrocarbons. Philos. Trans. R. Soc. A 366, 3901–3918 (2008).
He, T., Pachfule, P., Wu, H., Xu, Q. & Chen, P. Hydrogen carriers. Nat. Rev. Mater. 1, 16059 (2016).
Creutzig, F. et al. Bioenergy and climate change mitigation: an assessment. GCB Bioenergy 7, 916–944 (2015).
Whitmarsh, L., Xenias, D. & Jones, C. R. Framing effects on public support for carbon capture and storage. Palgrave Commun. 5, 17 (2019).
Minx, J. C. et al. Negative emissions—Part 1: Research landscape and synthesis. Environ. Res. Lett. 13, 063001 (2018).
Smith, P. et al. Biophysical and economic limits to negative CO2 emissions. Nat. Clim. Change 6, 42–50 (2015).
Luderer, G. et al. Environmental co-benefits and adverse side-effects of alternative power sector decarbonization strategies. Nat. Commun. 10, 5229 (2019).
Williams, J. H. et al. The technology path to deep greenhouse gas emissions cuts by 2050: the pivotal role of electricity. Science 335, 53–59 (2012).
Needell, Z. A., McNerney, J., Chang, M. T. & Trancik, J. E. Potential for widespread electrification of personal vehicle travel in the United States. Nat. Energy 1, 16112 (2016).
Madeddu, S. et al. The CO2 reduction potential for the European industry via direct electrification of heat supply (power-to-heat). Environ. Res. Lett. 15, 124004 (2020).
Mai, T. et al. Electrification Futures Study: Scenarios of Electric Technology Adoption and Power Consumption for the United States (NREL, 2018); https://doi.org/10.2172/1459351
Jacobson, M. Z., Delucchi, M. A., Cameron, M. A. & Frew, B. A. Low-cost solution to the grid reliability problem with 100% penetration of intermittent wind, water, and solar for all purposes. Proc. Natl Acad. Sci. USA 112, 15060–15065 (2015).
Lu, B., Blakers, A., Stocks, M., Cheng, C. & Nadolny, A. A zero-carbon, reliable and affordable energy future in Australia. Energy 220, 119678 (2021).
Bistline, J. E. & Blanford, G. J. More than one arrow in the quiver: why ‘100% renewables’ misses the mark. Proc. Natl Acad. Sci. USA 113, E3988–E3988 (2016).
Royal Society Sustainable Synthetic Carbon Based Fuels for Transport (2019).
International Energy Agency The Future of Hydrogen: Seizing Today’s Opportunities (OECD, 2019); https://doi.org/10.1787/1e0514c4-en
Hydrogen Economy Outlook: Key Messages (Bloomberg Finance, 2020).
Davis, S. J. et al. Net-zero emissions energy systems. Science 360, eaas9793 (2018).
Luderer, G. et al. Residual fossil CO2 emissions in 1.5–2 °C pathways. Nat. Clim. Change 8, 626–633 (2018).
Bruce, S. et al. Opportunities for Hydrogen in Commercial Aviation (CSIRO, 2020).
Clean Skies for Tomorrow: Sustainable Aviation Fuels as a Pathway to Net-Zero Aviation (World Economic Forum, 2020).
Geres, R. et al. Roadmap Chemie 2050 auf dem Weg zu einer treibhausgasneutralen chemischen Industrie in Deutschland: eine Studie von DECHEMA und FutureCamp für den VCI (Verband der Chemischen Industrie, 2019).
Blanco, H. & Faaij, A. A review at the role of storage in energy systems with a focus on power to gas and long-term storage. Renew. Sustain. Energy Rev. 81, 1049–1086 (2018).
Peters, D. et al. Gas Decarbonisation Pathways 2020–2050—Gas for Climate (Guidehouse, 2020).
van Renssen, S. The hydrogen solution? Nat. Clim. Change 10, 799–801 (2020).
Blanco, H., Nijs, W., Ruf, J. & Faaij, A. Potential of power-to-methane in the EU energy transition to a low carbon system using cost optimization. Appl. Energy 232, 323–340 (2018).
Siegemund, S. et al. The Potential of Electricity Based Fuels for Low Emission Transport in the EU (dena, 2017).
VDA President Müller: Hydrogen and E-Fuels are Important Elements in Climate-Neutral Transport (German Association of the Automotive Industry—VDA, 2020).
Wehrmann, B. ‘Tomorrow’s Oil’: Germany Seeks Hydrogen Export Deal with West African States (Clean Energy Wire, 2020).
Barreto, L., Makihira, A. & Riahi, K. The hydrogen economy in the 21st century: a sustainable development scenario. Int. J. Hydrog. Energy 28, 267–284 (2003).
Abe, J. O., Popoola, A. P. I., Ajenifuja, E. & Popoola, O. M. Hydrogen energy, economy and storage: review and recommendation. Int. J. Hydrog. Energy 44, 15072–15086 (2019).
Fasihi, M., Bogdanov, D. & Breyer, C. Techno-economic assessment of power-to-liquids (PtL) fuels production and global trading based on hybrid PV–wind power plants. Energy Procedia 99, 243–268 (2016).
The Future Cost of Electricity-Based Synthetic Fuels (Agora Verkehrswende, Agora Energiewende and Frontier Economics, 2018); https://www.renewableh2.org/wp-content/uploads/2018/11/2018-09-Agora_SynKost_Study_EN_WEB.pdf
Ram, M. et al. Powerfuels in a Renewable Energy World—Global Volumes, Costs, and Trading 2030 to 2050 (dena, 2020).
Brown, T., Schlachtberger, D., Kies, A., Schramm, S. & Greiner, M. Synergies of sector coupling and transmission reinforcement in a cost-optimised, highly renewable European energy system. Energy 160, 720–739 (2018).
ESYS, BDI & dena. Focusing Expertise, Shaping Policy—Energy Transition Now! Essential Findings of the Three Baseline Studies into the Feasibility of the Energy Transition by 2050 in Germany (Energy Systems of the Future, 2019).
Capros, P. et al. Energy-system modelling of the EU strategy towards climate-neutrality. Energy Policy 134, 110960 (2019).
Bos, M. J., Kersten, S. R. A. & Brilman, D. W. F. Wind power to methanol: renewable methanol production using electricity, electrolysis of water and CO2 air capture. Appl. Energy 264, 114672 (2020).
Stockl, F., Schill, W.-P. & Zerrahn, A. Green hydrogen: optimal supply chains and power sector benefits. Preprint at https://arxiv.org/abs/2005.03464 (2020).
Milanzi, S. et al. Technischer Stand und Flexibilität des Power-to-Gas-Verfahrens (2018); https://www.er.tu-berlin.de/fileadmin/a38331300/Dateien/Technischer_Stand_und_Flexibilit%C3%A4t_des_Power-to-Gas-Verfahrens.pdf
Beuttler, C., Charles, L. & Wurzbacher, J. The role of direct air capture in mitigation of anthropogenic greenhouse gas emissions. Front. Clim. 1, 10 (2019).
Deutz, S. & Bardow, A. Life-cycle assessment of an industrial direct air capture process based on temperature-vacuum swing adsorption. Nat. Energy 6, 203–213 (2021).
Integrated Pollution Prevention and Control (IPPC) Reference Document on the Application of Best Available Techniques to Industrial Cooling Systems (European Commission, 2001).
Cusano, G. et al. Best Available Techniques (BAT) Reference Document for the Non-Ferrous Metals Industries—Industrial Emissions Directive 2010/75/EU (Integrated Pollution Prevention and Control) (Joint Research Centre, 2017).
Arpagaus, C., Bless, F., Uhlmann, M., Schiffmann, J. & Bertsch, S. S. High temperature heat pumps: market overview, state of the art, research status, refrigerants, and application potentials. Energy 152, 985–1010 (2018).
Electrification in the Dutch Process Industry: In-Depth Study of Promising Transition Pathways and Innovation Opportunities for Electrification in the Dutch Process Industry (Berenschot, CE Delft, Industrial Energy Experts & Energy Matters, 2017).
Yilmaz, H. Ü., Keles, D., Chiodi, A., Hartel, R. & Mikulić, M. Analysis of the power-to-heat potential in the European energy system. Energy Strategy Rev. 20, 6–19 (2018).
Life Cycle Inventory Database v3.7 www.ecoinvent.org (Ecoinvent, 2020).
PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail. Green Car Congress https://www.greencarcongress.com/2020/05/20200517-psi.html (2020).
Knobloch, F. et al. Net emission reductions from electric cars and heat pumps in 59 world regions over time. Nat. Sustain. 3, 437–447 (2020).
Lee, D. S. et al. The contribution of global aviation to anthropogenic climate forcing for 2000 to 2018. Atmos. Environ. 244, 117834 (2021).
Abanades, J. C., Rubin, E. S., Mazzotti, M. & Herzog, H. J. On the climate change mitigation potential of CO2 conversion to fuels. Energy Environ. Sci. 10, 2491–2499 (2017).
von der Assen, N., Jung, J. & Bardow, A. Life-cycle assessment of carbon dioxide capture and utilization: avoiding the pitfalls. Energy Environ. Sci. 6, 2721 (2013).
Zhang, X., Bauer, C., Mutel, C. L. & Volkart, K. Life cycle assessment of power-to-gas: approaches, system variations and their environmental implications. Appl. Energy 190, 326–338 (2017).
Harper, A. B. et al. Land-use emissions play a critical role in land-based mitigation for Paris climate targets. Nat. Commun. 9, 2938 (2018).
Cherubini, F., Peters, G. P., Berntsen, T., Strømman, A. H. & Hertwich, E. CO2 emissions from biomass combustion for bioenergy: atmospheric decay and contribution to global warming. GCB Bioenergy 3, 413–426 (2011).
Everall, J. & Ueckerdt, F. Electrolyser CAPEX and efficiency data for: potential and risks of hydrogen-based e-fuels in climate change mitigation. Version 1 (Zenodo, 2021); https://doi.org/10.5281/ZENODO.4619892
Glenk, G. & Reichelstein, S. Economics of converting renewable power to hydrogen. Nat. Energy 4, 216–222 (2019).
Hank, C. et al. Energy efficiency and economic assessment of imported energy carriers based on renewable electricity. Sustain. Energy Fuels 4, 2256–2273 (2020).
Huppmann, D., Rogelj, J., Krey, V., Kriegler, E. & Riahi, K. A new scenario resource for integrated 1.5 °C research. Nat. Clim. Change 8, 1027–1030 (2018).
Energy Technology Perspectives 2017: Catalyzing Energy Technology Transformations (International Energy Agency, 2017); https://www.iea.org/etp2017/
Renewables 2020 Global Status Report (REN21, 2020).
Lehtveer, M., Brynolf, S. & Grahn, M. What future for electrofuels in transport? Analysis of cost competitiveness in global climate mitigation. Environ. Sci. Technol. 53, 1690–1697 (2019).
Fasihi, M., Bogdanov, D. & Breyer, C. Long-term hydrocarbon trade options for the Maghreb region and Europe—renewable energy based synthetic fuels for a net zero emissions world. Sustainability 9, 306 (2017).
A Hydrogen Strategy for a Climate-Neutral Europe (European Commission, 2020).
Sacchi, R., Bauer, C. & Cox, B. Does size matter? The influence of size, load factor, range autonomy and application type on the life cycle assessment of current and future medium- and heavy-duty vehicles. Environ. Sci. Technol. 55, 5224–5235 (2021).
