You could first raise the tax to just the point where detours do not make sense. It's the same with petrol and here local governments tax. IMHO the effect is mi

You could first raise the tax to just the point where detours do not make sense. It's the same with petrol and here local governments tax. IMHO the effect is minor. The solution would be to collect the tax like an import tariff even if you have fueled up elsewhere. Fuel usage should be well documented. There will be ways. I guess this is however not covered by the EU directive i guess. But that shows the problem of a green new deal. New agricultural subventions can also be used in a green way. Nobody does really...