A decade ago, the government's own studies showed that diesel vehicles were 25% more fuel efficient than gasoline vehicles for the same performance. Yet, smaller, affordable vehicles virtually disappeared for "environmental" reasons. Newer diesels are even more fuel efficient compared to gasoline vehicles and the recent comeback has dried up with the new fuel requirements.Why is the US stuck using the explosive refinery waste product in its vehicles while other countries can benefit from the more energy packed fuel?
Asked by Goodbye, Cruel World