Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.

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 ...

After Memorial Day weekend, both diesel and gasoline prices dropped—if only by incremental amounts—according to the U.S. Energy Information Administration. The U.S. on-highway diesel fuel price ...