Traditional gasoline engines have spark plugs, but diesel engines have something a little different, called glow plugs. How ...

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 ...

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 ...