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

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 ...

40 years is a long time in the automotive world. While a few prized cars from the 1980s may be exploding in value, not many would consider their 40-year-old engine technology reliable. One diesel ...

Proline HEMI engines get downright cataclysmic while generating the power needed for their vehicles, but how reliable are ...

The new hydrogen engine, while still in development, has thermal efficiencies above 60 percent. In comparison, diesel engines ...

Ddiesel engines have their benefits, it's just that quick acceleration isn't one of them. They're limited in rpm compared to gas engines, due to factors like their higher compression ratios, and that ...

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.

Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...

Modern cruise ships can have anywhere from four to eight massive diesel engines, although some also run LNG-capable engines ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...