The Ford 7.3 Power Stroke earned a reputation for durability that few diesel engines have matched. Long after production ...

A brutal engine torture test is reigniting debate around Ford’s legendary diesel trucks. From contaminated fuel to extreme abuse, the aging 7.3-liter Power Stroke refused to quit, reminding ...

Obviously diesel fuel should be your first option (and only option, ideally) when fueling your diesel vehicle, but in a pinch ...

Powering thousands of Class 8 trucks with massive amounts of torque, stellar economy and proven reliability, the Detroit DD15 ...

Diesel engines and gasoline engines are so fundamentally different that it’s possible to do real damage simply by filling up your car with the wrong fuel. Converting a diesel engine to actually ...

Internal combustion engine blowby, whether gasoline or diesel, occurs when part of the compressed mixture of air and fuel leaks past the piston rings during the compression or power strokes of a ...

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

Dieselgate started back in 2014, but it has never really ended, as more and more allegations roll in of defeat devices across the diesel spectrum. From VW and Daimler to Cummins and Bosch, the EPA, ...

Fans of diesel-powered pickup trucks may remember the 7.3-liter (444-cubic-inch) Powerstroke that Ford introduced in the 1990s. It's one of the largest oil burners ever fitted in a production model.

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Retailers sound the alarm on engine oil inventories after an Iranian missile strike hit a key refinery, but it looks like ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...