The experts say in cold weather (below freezing) to warm the car up for a
couple of minutes and then drive away at a moderate pace.
Apparently it's much easier on the engine.... very inefficient to let a car
sit at idle...as oil not circulated as well as when on the move.

Gary Warner wrote in message

On modern gas car engines and when it's cold

outside, is it still better to let them warm up a

bit and how warm (how long) is necessary?