Modern diesel fuels are designed to reduce emissions, but they also introduce some new challenges because the engine is ...

Retailers sound the alarm on engine oil inventories after an Iranian missile strike hit a key refinery, but it looks like ...

Japan’s Soryu-class diesel-electric attack submarine achieves something once considered impossible for non-nuclear boats: ...

Diesels are becoming increasingly rare, but they're still an important part of some American automaker lineups, and there are ...

Diesel innovation in Europe produced some genuinely brilliant engines, along with a few that mechanics would rather never see again.

Diesel engine inventor Rudolf Diesel’s disappearance and death was ruled a suicide, but theories point to foul play ...

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

Hauling heavy cargo requires serious power, and these semi-truck engines deliver.

Dieselgate started back in 2014, but it has never really ended, as more and more allegations roll in of defeat devices across the diesel spectrum. From VW and Daimler to Cummins and Bosch, the EPA, ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

Black exhaust smoke, tractor-like engine noises, and sluggish performance: all things that were associated with diesel engines. And I say “were” because they’re mostly a thing of the past. Modern ...

This Isuzu Elfin is a most remarkable apparition, as it was never officially imported to mainland US; the registration ...