State air quality officials say the diesel engines in locomotives and boats account for a large chunk of U.S. air pollution. They say that share is growing because the Environmental Protection Agency ...

Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Diesel engines are renowned for their power and fuel efficiency, but cold weather can pose significant challenges to their operation. Many diesel owners wonder if starting their engines in cold ...

Most modern diesel engines already feature an electric start system. However, older engines often required manual starting methods such as hand cranks, kick-starts, or pull-starts, which could be ...

The very phrase “diesel outboard” seems like an oxymoron. Diesels, by and large, are clunky, smelly, low-powered and oily creatures that reside deep in the bilges of yachts. Figuring out how to hang ...