https://www.theguardian.com/business/2023/may/05/e-fuels-cars-aviation > Sections of industry back synthetic alternatives to fossil fuels, but case is much stronger for aviation > Most bright red sports cars do not make much of their green credentials. Yet a test run in Bicester, Oxfordshire, by the startup Zero Petroleum last week gave a glimpse of a future in which combustion engines did not add new carbon to the atmosphere. The car was running on e-fuel: petrol made using electricity, hydrogen from water, and carbon captured from the air.