Driving isn't exactly free, but it's most likely so that petrol and the roads are not taxed in proportion to the true costs for the society. I believe that cos

Driving isn't exactly free, but it's most likely so that petrol and the roads are not taxed in proportion to the true costs for the society. I believe that costs should be made as transparent as possible. Public transport only makes sense above a certain density. In the best case it's possible to create economic incentives that align at some kind of optima.