Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Misfueling a gasoline car with diesel is one of those mistakes that goes from embarrassing to expensive in a matter of ...

In the U.S., Diesel has mostly been more expensive than gasoline for nearly twenty years. The price gap came about as new rules for cleaner diesel took effect in 2006, as refineries had to run extra ...