Researchers studying a hydrogen combustion concept built around argon gas say the technology could reach 60% thermal ...

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

You may have noticed that diesel engines are much louder than their gasoline counterparts, and you probably questioned why that was the case. While a noisy engine is usually a sign of trouble, that's ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

Diesel engines are capable of putting out plenty of power. But if you don't keep up with maintenance, a few issues could make ...