Detroit Diesel and Cummins are two of the market leaders in the world of diesel engines today, from pickups to semi trucks.

Detroit Diesel's two-stroke engines were its bread and butter for decades, but the four-stroke Series 60 and DD15 were a big departure. How similar are the two?

Detroit makes a selection of seriously heavy-duty diesel engines. But what's the baddest of them all, and which trucks have one under the hood?

U.S. auto sales are strong as the Detroit Auto Show showcases cars of the future that American carmakers hope will keep customers buying.

2013 Cadillac ATS debuts in Detroit, diesel engine confirmed It’s the eve of the Detroit Auto Show, and Cadillac officially kicked things off tonight by unveiling its 2013 ATS sedan at Detroit ...

Members of the Detroit Fire Department have reached out to Local 4 Defenders with their concerns about the allegations of firefighters drinking while on the job.

Detroit officials showed off a batch of new fire engines that will go into service across the city starting today. The five new fire engines are the last to hit the streets of 10 new rigs the city ...

A Detroit Fire Department engine was involved in a crash Monday at Livernois and Grand River Avenue. No fatalities were reported.

As Detroit observes its 80th anniversary this year, parent company Daimler Trucks North America LLC (DTNA) is marking another important achievement – the production of its 1 millionth heavy-duty ...

HDT Senior Editor Jack Roberts takes to the streets of Chicago for a first hands-on look at Detroit's new DD5 four-cylinder, 5.1L engine.

Ford showed its seventh-generation Mustang sports car at the Detroit auto show on Wednesday. The company said the new model will stick with a gas engine, a strategy that contrasts with some of its ...

Detroit Diesel's two-stroke engines were its bread and butter for decades, but the four-stroke Series 60 and DD15 were a big departure. How similar are the two?