We may receive a commission on purchases made from links. With the Environmental Protection Agency enacting stricter diesel engine emissions restrictions in 2010 and Volkswagen infamously getting ...

According to Green Car Congress, more than 3/4 of the over 15 million commercial trucks on the road today in the United States use diesel fuel. Diesel fuel differs from gasoline in that it packs more ...

While diesel may not be the most popular fuel source for passenger vehicles, it's still extremely common. These engines are responsible for powering more than you may realize, and diesel motors can be ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...