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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 ...

Discover how the Duramax diesel V8 engine from General Motors has maintained its reliability and durability over 25 years in production.

Add Yahoo as a preferred source to see more of our stories on Google. 40 years is a long time in the automotive world. While a few prized cars from the 1980s may be exploding in value, not many would ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Despite the fact that diesel as a fuel is living on borrowed time, consumers have more diesel-powered pickup truck options than ever before—everything from monster heavy-duty haulers making more than ...

Diesel racing engines have long been the superstars of the truck hobby. The primary reason for this is, as high performance goes, yes, racing diesels have always been capable of generating ridiculous ...

As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...