Diesel-electric submarines have diesel engines as well as electric motors. The diesel engines only work while the sub is on ...

Did you know naval submarines come in more than one variety? Of course, there are several classes of nuclear sub out there (Ohio, Los Angeles, Seawolf, Virginia), but not all militarized undersea ...

The diesel engine was one of the most ambitious engineering undertakings in history. It was so radical and high-minded that it still hasn’t been totally perfected—even after 150 years of development.

The once-almighty Mitsubishi Motors may have relegated themselves to building cheap small cars and Nissan-derived crossovers, but it was an indomitable powerhouse of innovation back in the day.

Volkswagen has a lot of explaining to do. Since it was revealed in September that the company installed "defeat device" software on diesel cars that allowed them to cheat on emissions tests, VW has ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...