Not all braking systems on semis have to be loud to be effective. Exhaust brakes make a fraction of the noise that ...

Why Do Diesel Engines Lose Power And Efficiency Over Time? Sponsored by ExxonMobil Synergy Diesel Efficient Fuel Learn more ...

Be it a pressure washer or a log splitter, small engines need a special repair service. Northern Tool can repair yours if you ...

The diesel particulate filter is hardy, but it's not invulnerable. Here's how it gets clogged, how to regenerate it, and what ...

Selective catalytic reduction (SCR) was its solution to reduce diesel engine emissions, but it needs diesel exhaust fluid (DEF) to work. 0:00 / 0:00 ...

Diesel engines work across a broad range of power requirements, from basically zero at idle up to the full rated output. At full power, all cylinders contribute to the effort and the user needs ...

The U.S. Clean Air Act of 1970, which forced diesel makers to clean up their products, ultimately boosted business for Cummins, which was rapidly able to bring cleaner engines to market.