Volvo also moved from a seven-wave piston to a 14-wave piston to better mix air and fuel, which helps reduce soot and NOx. A ...

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.

We've all thought about what would happen when you pour jet fuel into a diesel engine. Will it work or lead to immediate catastrophic failure, perhaps even an explosion? Planes are among the most ...

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 ...

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 ...