Written by This is one of those topics of discussion that most people get wrong. In older petrol cars that used carbs, coasting or freewheeling downhill would save you fuel, and this method worked quite well for those older cars. Modern petrol cars with Electronic Fuel Injection, do not work the same way. Modern cars with EFI have a Fuel Return Pipe which sends unused fuel back to the tank, READ MORE »
Shop
Thanks for visiting MpgTips.co.uk.
