We may receive a commission on purchases made from links. Over the last century or so, the auto industry has changed in a myriad of incredible ways. It's mind-boggling to think of just how far we've ...

Cummins was founded by Clessie Cummins in 1919 and has been building reliable diesel engines for more than 100 years. Cummins engines are used in large trucks, buses, and leisure vehicles, as well as ...

Diesel pickup truck engines have used glow plugs for decades. Well, let me rephrase that: Diesel pickup truck engines not made by Cummins have used glow plugs for decades. Those inline-sixes found ...

Diesel engines ignite the air/fuel mixture with heat generated by friction and compression, while gasoline engines use the heat caused by a spark from a spark plug. That's why diesel engines are ...

A petrol engine needs three things in order to function properly: air, fuel and a spark. The spark plug ignites the air/fuel mixture, producing the combustion that powers the engine. In January 2002, ...