Transportation in the United States accounts for 66% of its total oil consumption. With the number of families having more than one car growing it is important to know how to maintain your car. Effectively maintaining your car and driving it in a fuel efficient manner can help to reduce on green house gas emissions.
Warming up a car in winter is ideally done by taking it out for a short drive. Idling the car should only be done for duration of 30 seconds. Anything longer than this is unnecessary and is just a waste of time and fuel.