Electric cars not only avoid CO₂ emissions, their owners can also earn money with the saved greenhouse gas. The background are the environmental regulations for the mineral oil industry. These stipulate that the emission of greenhouse gases from fossil fuels must be reduced every year. So far, it has been sufficient to add biofuel to petrol or diesel - up to ten percent for petrol in Germany (E10) and up to seven percent for diesel (B7). However, this proportion of...
