Drivers improve gas mileage by maintaining the vehicle, avoiding sudden speed changes, reducing resistance, and avoiding idling. Small changes to the way the driver uses and cares for the vehicle can significantly improv... More »

The most effective way to use less fuel is to accelerate more slowly and avoid braking hard whenever possible. People driving trucks might also want to remove as much as they can from the truck bed. More » Vehicles Car Parts & Maintenance

As a general rule, putting a lift kit and bigger tires on a truck will decrease its gas mileage. There are, however, some ways to mitigate this. More »

There are a variety of ways to find the gas mileage for a car, including looking in the owner's manual, researching the car's fuel efficiency online or calculating the average gas mileage by hand. In general, newer and s... More » Vehicles Car Parts & Maintenance

Many issues prevent a car from idling, but in a vehicle with an onboard computer, the issue is often in the computer. A diagnostic scan tool provides error codes to determine the issue. On vehicles with carburetors, the ... More » Vehicles Car Parts & Maintenance

To calculate the gas mileage of a vehicle, divide the miles traveled on a single tank of gas by the capacity of the tank in gallons. The result is your car's average miles per gallon for that driving period. More » Vehicles Car Parts & Maintenance

In the United States, the average driver puts in between 13,476 and 15,000 miles per year on a vehicle. These statistics may vary from year to year, however. More »