It appears that Cummins is in the advanced stages of developing a new four-cylinder diesel engine potentially for the U.S. market. The renowned diesel engine maker was on hand at last week's U.S.

The Cummins six-cylinder diesel engine is a remarkable feat of engineering and one of the most reliable diesel motors ever built. These legendary engines have powered the Dodge and Ram diesel pickup ...

It's long been said that discussions concerning religion and politics are best avoided at the dinner table or in polite company. The same holds for any topic that includes best muscle car, fastest ...

You’ve heard the rumblings of a ½-ton diesel pickup coming to the United States since we wrote “New Cummins V-6 and V-8 Diesel Engines” (Dec. ’06). Our optimism has peaked and been dashed during the ...

Editor's note: A pervious version of this story misstated the size of Cummins' X15 engine. A version of a cylinder-deactivation system now used in many General Motors gasoline-powered light trucks ...