Add Yahoo as a preferred source to see more of our stories on Google. That old habit of letting your car idle for five or ten minutes in the driveway on a cold morning feels caring, but modern engines ...

With freezing winter weather blanketing much of the U.S., it may be tempting for commuters to warm up the car by idling it for a few minutes before getting in. But drivers should be wary, as many ...

Letting your car idle unattended to warm up is illegal in many states and could result in a fine. Thirty-one states and Washington, D.C., have some form of regulation against vehicle idling. Modern ...