It's no secret that two turbos on a diesel engine are significantly better than one, but the problem is getting an extra turbocharger to fit. The six-cylinder Cummins engines have lots of space in the ...

In the full-size truck segment, the Big Three in Detroit offer three distinct V8 turbo diesels. At the very top of the spectrum, the Ford Scorpion 6.7-liter Power Stroke develops up to 500 horsepower ...

The Duramax 4.5L V-8 LMK was a turbo-diesel engine developed by General Motors for use in full-size half-ton pickup trucks, but never brought to production. In 2008-2009, General Motors announced that ...

Named after German engineer Rudolf Diesel, the compression-ignition motor used to be extremely popular on the Old Continent until the Dieselgate scandal came to light. On the other side of the ...

Alina has been enthusiastic about vehicles her entire life, and even from an early age found herself itching to get behind the wheel. Through high school and college, she could be found reading ...

The GM Authority staff is comprised of columnists, interns, and other reporters who provide coverage of the latest General Motors news. Get our GM news straight to your inbox. We'll send you one or ...