The 6.4-liter and 6.7-liter Power Stroke Diesel engines are different sizes and made by different manufacturers -- one by ...

Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

Detroit Diesel doubled down on engine designs that struggled to keep up with regulations, and it was eventually acquired by ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

A routine fuel stop in Mexico went wrong when diesel was mistakenly pumped into a gasoline engine. Luckily, the mistake was caught before the engine was started, preventing catastrophic damage. A ...

Here we round up the 10 fastest diesel locomotives ever.

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

Raleigh-Durham International Airport had planned to phase out diesel buses but now aims for a mix for reliability reasons.

Experts suggest that the fuel is expected to disappear from stations in the "2030s", leaving motorists only four years before ...

Colorado’s Division of Oil and Public Safety has received more than 600 complaints from drivers who experienced engine issues ...

For 2027, Ram is finally addressing that chink in the Power Wagon's armor. It will finally be offered with a Cummins turbodiesel straight-six. It's not just any Cummins, either, but the high-output ...

A South African diesel ban that will see lower sulphur levels and other noxious gasses strictly enforced enters its next phase ...