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 ...

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Mazda is first with plans for a compression (diesel) engine that burns gas. The SkyActiv-X 2019 Mazda will get 20 to 30 percent better fuel economy than a gasoline ignition engine. Share on Facebook ...

We may receive a commission on purchases made from links. The Duramax 6.6L V8 diesel engine was a huge moment for General Motors' heavy-duty trucks. Even though it looks pretty similar on the outside ...