The 7.3 PowerStroke, 5.9 Cummins, and 6.6 Duramax, are all iconic diesel engines, but how do they compare? Here's a side-by-side look from power to reliability.

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions.

A quiet Swedish submarine embarrassed the U.S. Navy's most formidable ship - and revealed why old-school diesel power still ...

If you realise you've filled your car with the wrong fuel, the most important thing is not to start your engine. To be safe, ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

Vik is the Co-Founder and former Editor at MotorAuthority, a leading U.S. website covering performance and luxury cars. Since 2025, he has contributed to CarBuzz, blending his engineering background ...

The Detroit Diesel Corporation originally launched in 1938 as a division of General Motors, and its main purpose was to build a two-stroke engine that would combine power and versatility in a small ...

U.S. Sen. Cynthia Lummis on Tuesday wrote a letter to President Donald Trump, urging him to pardon Wyoming diesel "delete" ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

GM has issued a Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve.

CHATTANOOGA, Tenn. (WDEF) – This morning, the Chattanooga Police Department escorted K9 Diesel to the Animal Hospital of Signal Mountain, where he was humanely euthanized. Diesel, three years old, was ...

When Union Minister Nitin Gadkari recently declared that “650 Crores Ltr. DIESEL in our country is imported just for ...