Why do this? well , not only for the ambient...right now petrol prices are the highest ever.. (of course there are some concerns if that price is direct connected with the gasoline one..but this will be another post :) )
We have a lot of way doing that now with current technology. Like use mass trasport if possible, buy a hybrid car or electric scooter!!! Start walking ;) I saw an episode where Homer sipson would use the car to go almost everywhere...meybe not in the bathroom :) so probably most of us do pretty much the same! Think about this twice...think about the ambient you live and your wallet also!