Not all diesel is created equal. Like gasoline, it comes in various grades, and choosing the right one is important. But which should you pick?

Diesel Formula STA-BIL is designed for use at every fill up and keeps diesel fuel fresh. It prevents sludge and sediment from forming in the fuel, protects against corrosion, reduces oxidation of ...

A new diesel fuel now powers the buses of Hampton Roads Transit, a blend mandated by the government and designed to greatly reduce soot- and smog-producing gases in diesel engine exhaust. The transit ...