Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet ...

Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance.

That old habit of letting your car idle for five or ten minutes in the driveway on a cold morning feels caring, but modern ...

Experts warn that older cars and electric vehicles may need some extra care before hitting the road in frigid temperatures.

The Environmental Protection Agency warns that idling contributes to air pollution and burns fuel without moving the car.