The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

A lift pump and a fuel pump might be part of the same system that delivers fuel to a diesel engine, but they have very different roles to play.

If you know diesel engines, you're already well acquainted with the name Cummins. The Indiana-based manufacturer has been a major player in the diesel realm for more than a century now and, at present ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Stricter emissions rules and cheaper hybrids and EVs mean diesel will soon be dead for private vehicles, and maybe even in heavy industry.

One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

Like any other stored commodity, diesel fuel deteriorates with time, especially if it is kept motionless in tanks used for fleet systems, marine engines, or backup generators. Recognizing bad diesel ...