Diesel engine manufacturer Cummins has agreed to settle an accused violation of the Clean Air Act for a record $1.675 billion. The company was accused of installing defeat devices and other ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

One upgrade can get your 6.7 Cummins engine running cleaner and making more power. This must-have Ram upgrade is also on sale ...

2008 - PACE Award Winner Cummins Inc. What: Cummins 6.7-liter Turbo Diesel Judge's Citation: Diesel engines have been considered dirty and noisy in the United States. The Environmental Protection ...