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

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

GM used to offer diesel engines in its big SUVs nearly 40 years ago, and it once again has found the diesel religion, making its turbo-diesel 3.0-liter Duramax six-cylinder engine available not only ...

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