Diesel engines provide 30 percent better fuel economy than gasoline, which means every gallon takes you further. Though clean diesel owners may pay more at re-fueling stations, they don’t have to fill their tanks as often, thus the higher cost is offset by greater range.

Diesel engines are also very dependable and do not require as much maintenance, and has a lower depreciation rate after 100,000 miles of use than gasoline engines and hybrid vehicles.