With the United Nations Climate Change Conference (COP26) and electric vehicles dominating the news, many see synthetic fuels (e-fuels) as an alternative solution to reducing transport emissions. Clearly, with ICE cars continuing to be driven beyond 2030 and indeed continuing to be sold up until that point, there needs to be a broader answer than simply a route-one electric fix. But are e-fuels really viable?
In the latest Autocar Business webinar, we were joined by Paddy Lowe, an ex-F1 engineer and founder of Zero Petroleum; Christian Schultze, director of technology research at Mazda Europe; and Steve Sapsford, managing director of SCE, a consultancy firm specialising in sustainable fuels.
What exactly are e-fuels?
PL “E-fuels have various names. We actually prefer to call them synthetic fuels at Zero Petroleum, because we thought it’s a more generic name. It’s more user-friendly to the public at large and ‘synthetic’ means made by man, rather than by another process. So in particular, what distinguishes e-fuels from other sources of liquid fuels – biofuels, for instance – is that synthetics are industrially made and they don’t require the use of agriculture. They gain their energy from a renewable source that’s industrial, rather than coming via the biology of a plant.”
SS “I use ‘sustainable fuels’ to be the catch-all for everything. So I’ve got biofuels under there as well as synthetic fuels. E-fuels are a special version of synthetic fuels that use renewable electricity to generate the hydrogen.
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