A brutal engine torture test is reigniting debate around Ford’s legendary diesel trucks. From contaminated fuel to extreme ...

Typically, when people think of diesel engines, they think about torque. Compared to their regular gas-powered counterparts, diesel engines tend to have lower horsepower and higher torque figures.

Diesel powertrains have historically been associated with two things: big towing power and increases in fuel economy compared to their gasoline-powered counterparts. Diesel engines usually provide big ...

The 12-valve 5.9-liter Cummins diesel engine revolutionized pickup truck reliability in 1989, outlasting GM and Ford rivals with proven durability.

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

The Cummins X15 diesel engine has been updated to meet the upcoming emissions requirements while maintaining the durability and performance that have made it widely used in long-haul operations.

The diesel engine was a revelation when it first entered the market in the early 1900s, and has since had a number of variations that led to improvements.

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.

Daimler Truck executives signaled a renewed focus on diesel powertrains at the company’s Capital Market Day 2025. Senior leaders at the world’s biggest truck maker, including Daimler Truck North ...

The differences between V and inline layouts dictate everything from smoothness to sound and even how many cylinders an ...