EPA has proposed ending diesel exhaust fluid-related engine derates, replacing the gradual dialing back of truck performance ...

Do diesel fuel additives really work, or are they just expensive snake oil? With diesel prices remaining painfully high, ...

The agency says the changes could save truckers $12 billion while still maintaining environmental protections.

Four global corporations make and sell 99.9% of all Class 8 over-the-road vehicles in the U.S. But dozens of manufacturers have been part of trucking’s rich North American history. Here is a look at ...