Federal smog rules gutted Detroit's biggest engines, but the story didn't end there.

As the Trump administration pulls back from enforcing diesel emissions laws, the president says the pardons are just common ...

Brian Wolfe and Ben Strader dyno-tested a twin-turbo Godzilla. Big boost pushed the 7.3-liter V8 platform beyond 1,800 ...

Is your check engine light on? Before you panic over a massive repair bill, discover the five most common faults triggering ...