On 21 march 2023 Reuters reported: “…The European Commission has drafted a plan to allow sales of new cars with internal combustion engines after 2035 if they run only on climate neutral e-fuels, as it tries to resolve a spat with Germany over moves to phase out combustion engine cars. The draft proposal, seen by Reuters on Tuesday, suggests creating a new type of vehicle category in the European Union for cars that can only run on carbon neutral fuels….”. By waiting for the final regulation, it is interesting to think how the promotion of e-fuels can works with tax (excises) incentives. We studied how the production of efules can…