Over a year ago, Cummins agreed to pay $1.675 billion after the EPA found its 6.7-liter diesel engine let too much nitrogen ...

Diesel vehicles are rapidly losing ground in the U.S. automotive market as stricter emissions regulations, the expansion of ...

Persuading a pickup truck driver to visit their local dealer is already a tall task, but convincing diesel owners they should get an update to the emissions software they already hate? That’s even ...

The U.S. Department of Justice announced last week that it would no longer pursue criminal charges against shops and equipment owners for tampering with emissions controls. Prison time, probation and ...

Diesel engines are durable and capable, but it's easy to overlook one particular quirk regarding the intake manifold that should otherwise be regularly checked.

The owner of a diesel 2008 Ram 2500 with deleted emissions equipment who found himself in the crosshairs of New Jersey’s Department of Environmental Protection crushed his truck Friday after the state ...

Gas prices have finally leveled off after a major spike this month driven by the Russian invasion of Ukraine, but remain higher than they’ve been since 2008. Drivers of diesel vehicles have been hit ...

As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...

Although motor vehicle enthusiasts have been modifying their cars and trucks forever, and sometimes in legally dubious ways, the practice of "rolling coal" has become an especially hot-button topic ...

When it comes time to purchase a new truck, there's a litany of factors to consider outside of simply what color it should be. Arguably, one of the most significant comes down to whether someone ...