You might have heard of cars going into "limp mode," but what exactly is it? And how do you get a car in limp mode ...

Just two weeks ago, the head of the Environmental Protection Agency (EPA) made an extraordinary announcement: Pollution from global warming would no longer be considered a threat to public health.

Modern cars are filled to the brim with technology to keep you safe, ensure the car can keep moving, and - in the event of a mechanical issue - protect itself from potential damage. But what if ...

These new regulations actually violate the EPA's requirements already on the books for diesel vehicles using DEF. From the EPA's own website, one such requirement is: Tamper Prevention System: The ...