A vehicle's mileage doesn't tell the whole story. Comparing engine hours vs. idle hours reveals a different source of ...

Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet stability is not luck, it is the result of sensors, valves, and software working ...

Truckers have been looking for ways to reduce heavy-duty truck idling, with its wasted fuel and engine wear and tear, since the 1940s. Idle-reduction technology has advanced from engine block heaters ...

If you are considering buying a car, you want to make sure to buy something that is reliable and doesn't cause problems. You might avoid these models.