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 highest-revving diesel engine is Mazda's 2.2-liter SkyActiv-D engine, which makes peak power at 4,000 rpm and hits a ...

While some have advantages over others, these 12 engines have displayed optimal traits for successful tuning.

When most people think of diesel engines, they often picture heavy-duty trucks and locomotives — or they might recall Volkswagen's Dieselgate scandal – but diesel power actually made its passenger car ...

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 ...

Often overlooked and underappreciated, we look at five of some of the best four-pot mills ever put into production.

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 ...