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

Almost always, a gasoline engine uses compression, fuel, air and a spark supplied by a spark plug to ignite combustion in a cylinder. Most modern engines use a compression ratio of about 9.5:1, but ...

This animated film "Spark In The Firing Line" provides an in-depth look at the ignition system of modern motor vehicles, focusing on the role of spark plugs in igniting fuel within the combustion ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...