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.

When your Cummins goes into limp mode (aka low-power mode or safe mode), it's the truck's way of telling you something's wrong, while still letting you crawl to safety. It restricts speed and power to ...

When you're behind the wheel of a car, there are several systems like the engine, electrical, fuel, and exhaust working in concert to get you from A to B. Many of today's premium vehicles are fitted ...