Sadly, we learned weeks ago that the government had accused diesel engine manufacturer Cummins of knowingly installing ...

Forbes contributors publish independent expert analyses and insights. Fueling your mind for the road ahead. This article is more than 9 years old. A commercial truck and bus engine that brings clean ...

A lot of automotive engines remain in production for quite a while. Cummins' B-Series diesel is the longest-running diesel engine family, with good reason.

Cummins officials announced the company's B6.7N natural gas engine has now been certified as meeting 0.02 NOx (nitrites of oxide) emissions levels, giving the company another natural gas engine that ...

Cummins Westport has announced field-testing of a spark-ignited natural gas engine capable of producing near zero NOx emissions ahead of the 2023 California Near Zero NOx schedule for low NOx vehicles ...