Don't Warm Up Your Car

Car idling in winter.  Utah State University photo

It's been colder than average the last several weeks with lows in the teens and occasionally single digits.

The weather feels like January.

As a result a few neighbors are idling their cars to "warm them up."

It's a long-held tradition and one that makes no sense at all.

An online article from Utah State University alone with the photo (upper right) explains why running a car's engine is a waste.

Unless you drive a car with a carburetor (doubtful, that's old technology) the engine doesn't need to sit in the driveway with the engine going.  Modern engines are ready to go and warm more efficiently while driving.  The inside of your car will also heat better while moving.

If your car is covered with snow, ice, or frost when you first head out - turn on the engine, clean the car, and drive away.  If the car is clean - you save a step and can get in and drive without a hitch.

My hybrid does get fewer miles per gallon when its cold (40 miles per gallon instead of 50 plus), but warming up engines does more harm than good.  In addition to wasting gas - you are pumping pollutants into the atmosphere.

Just try it this winter.  You may need to wear an actual coat, hat, and gloves when you get it in, but that's smart anyway.

Jack-rabbit starts are bad ideas in any weather - take it easy when starting up. 

I think you'll like the results and be glad you are helping the planet.