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

The inline-6 is a common enough gas engine design, but it's pretty much universal in the diesel world. As such, there are ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

Having worked through the data, we may have just found the most reliable diesel engine going into 2026. As it stands, there ...

Trail I have owned since new. It's approaching 130,000 miles and on long journeys I've noticed my MPG has dropped considerably. Is it worth getting my engine deep cleaned by one of the systems that ...

When General Motors decided to make a diesel engine a permanent part of its light-duty truck lineup in 1982, it partnered with Detroit Diesel for a 6.2-liter V8 rated at 130 horsepower and roughly 240 ...

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 ...

Built for real work, comfort, and toughness, these diesel engine-powered 2500 pickup trucks are the best this year.

This EJ20 used a sequential twin-turbo setup that has an inherent weakness when it comes to power delivery and wasn't so ...

From diesel workhorses to V-8 utes, this group of forbidden pickups show just how much truck culture thrives beyond U.S.

Valvoline is tackling the global technician shortage with a $1M program aimed at training and supporting the next generation of mechanics.

My first drive in the 2025 GMC Sierra 2500 HD Denali Ultimate: a deep dive into its plush interior, tech features and ...