Wondering why modern heavy machinery no longer spews black smoke? Discover the massive technological shift that changed ...

Cummins has produced some of the most reliable diesel engines available, including its 6.7-liter turbo engine. Among the impressive lineup, the QSK19 is a true workhorse. Designed to improve upon the ...

Discover the engineering marvel behind Mazda's Skyactiv-D 2.2 diesel engine, and what lies ahead for diesel fuel. Mazda unveiled the second-generation CX-5 in 2016 and promised buyers they would soon ...

Lately, car buyers looking to purchase a powerful and rugged SUV with comfortable road driving characteristics have had limited options available in the market. Meanwhile, other popular models in the ...

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 ...