Avoid the car when taking a short trip, choose to walk or cycle. This reduces carbon emission and is also good for health. use public transportation which is cheaper and quicker to leave the car at home and use the subway, bus or train.
For every gallon of gas unused, you prevent one pound of green house gas pollution. Keep checking tires, the fully inflated tires could save Americans 4 million gallons of gas a day. Drive slower and smoother.
Staying within a speed limit and smoothly accelerating can save more than 25 percent of a vehicles typical gasoline use.