VMAC’s Underhood 70 Air Compressor now is available for 2019 Ram trucks powered by a Cummins diesel engine. The rotary-screw air compressor is designed to be installed in the engine compartment and to ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Diesel may be a bit on the nose in the United States but elsewhere it’s still the fuel of choice. That’s why Bentley, one year on from the emergence of the emissions cheating practices of its ...

The diesel engine was one of the most ambitious engineering undertakings in history. It was so radical and high-minded that it still hasn’t been totally perfected—even after 150 years of development.

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why that is and what it means.