LOUISVILLE, KY -- Under the theme of "redefining efficiency," Cummins Tuesday night announced fuel-saving enhancements to the 2015 ISX15 big-bore diesel and a peek at the 2017 ISX15, which will ...

According to Cummins, improvements made since 2010 to its “flagship” big-bore engine— the ISX15— provide up to 7% better fuel efficiency LOUISVILLE, KY. Cummins Inc. executives discussed the engine ...

As a young man, Clessie Cummins worked as a chauffeur for a banker and gained a reputation for his mechanical aptitude. By 1919 he had founded a small-engine company in Columbus, Ind. His early ...

LOUISVILLE, KY. The latest calibrations and optimized combustion process introduced at the beginning of this year in Cummins’ ISX15 engine has resulted in a 6% improvement in fuel economy, the company ...

This story appears in the March 30 print edition of Transport Topics. LOUISVILLE, Ky. — An updated Cummins’ ISX15 diesel engine will be among the new products the independent engine maker plans to ...