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 ...

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

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.

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 -– ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...