While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

Most small internal-combustion engines commonly used in the model-building world use glow plugs for starting. Unfortunately, glow plugs have an operating voltage of 1.5 V, while fuel pumps, starter ...

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 ...

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 ...

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 ...