Cummins has been at the forefront of the diesel engine market for more than 100 years. At this point, an argument could be ...

Cummins engines were dominant in agriculture long before their debut in heavy-duty trucks. The 12-valve 5.9-liter Cummins I-6 ...

That engine produces tremendous low-end grunt for its diminutive size. Now, Audi has applied this five-valve technology to the 2.8-liter V-6 (formerly a 12-valve engine), but instead of turbo ...