Cummins Inc. has been fined with a $1.675 billion penalty in a settlement for installing defeat devices on the engines of about 960,000 2013 to 2019 RAM 2500 and 3500 pickup trucks,

The Department said Cummins allegedly installed so-called "defeat devices" to bypass or disable emissions controls such as emission sensors and onboard computers.

"The company has seen no evidence that anyone acted in bad faith and does not admit wrongdoing," Cummins said in a statement.

https://www.usatoday.com/story/news/nation/2023/12/22/cummins-truck-engines-defeat-devices-feds-say/72013430007

in 1935 Cummins briefly collaborated with Auburn Automobile Company to install a prototype Cummins Model A six-cylinder diesel for a 1935 Auburn. In 1974, the Auburn was “rediscovered” and restored and given to Chairman J. I. Miller as a 40th Service anniversary gift

https://www.cummins.com/news/2022/10/03/road-trip-cummins-1935-auburn-sparks-keen-interest-antique-car-buffs

https://www.facebook.com/profile.php?id=100032373834618

Big-engine maker Cummins shocked the trucking industry, saying it will start building hydrogen fuel cells for Freightliner’s Cascadia heavy truck line.

 https://www.rvtravel.com/hydrogen-drive-motorhomes-cummins-building-fuel-cells-big-vehicles-rvt-1053b/

the Duesenberg with a diesel...

Taking advantage of revised rules which encouraged a return to racing of regular automobile manufacturers and production-based vehicles, the Cummings Engine Company of Columbus, Indiana, fielded a diesel-powered car in the 1931 Indianapolis 500. Housed in a specially-built, shortened Duesenberg Type A chassis, the 360 cubic-inch, four-cylinder Cummins Diesel was able to complete the entire 500 miles without making a single pit stop, the first car to ever do so

five hours and 48 minutes at an average speed of 86.170 mph.

https://justacarguy.blogspot.com/2016/10/did-you-know-cummins-diesels-were-used.html

Clessie Cummins, the founder of Cummins Diesel Engines of Columbus, Indiana commissioned August Duesenberg to modify the Model A passenger car chassis to accommodate the 85 horsepower, 4-cylinder Cummins Model U marine engine.

The finished car weighed over 3,380 pounds and was the second heaviest on the grid, but it still managed a top speed of 96.871 mph.

In 1931, Chessie Cummins drove this car on Daytona Beach setting the record for a diesel-powered car of just over 100 mph.

Diesels had some advantages over their rivals, which were mostly fuel economy related. The diesel engine could go much farther on a single tank of gas. Another advantage that since less fuel was needed, it meant a reduction of overall weight.

https://www.conceptcarz.com/vehicle/z15198/duesenberg-cummins-diesel-indy-racer.aspx
https://www.facebook.com/photo.php?fbid=10202681028335793&set=a.4705775571281.184479.1501025670&type=3&permPage=1