A little bit of planning can avoid bad traffic on your daily commute, which can waste fuel and money, according to the Christian Science Monitor.

Engines are most efficient at gasoline consumption while running between 2,000 and 3,000 rpm, most often between 40 and 50 mph in the highest gear, but sitting in traffic doesn’t take advantage of this fact.

Some companies allow their employees some flexibility in their hours, allowing them to come in earlier or stay later. Changing your work schedule will keep your car off the road during busier hours, allowing you to drive at more fuel-efficient speeds.

If you plan to show up earlier to work, you can feel less rushed and drive more slowly. This practice also gives you extra time should you hit traffic.

Buying a new GPS unit may be in order to help save on fuel. New systems account for the time of day and adjust routes to avoid traffic.

Though it may take extra time, find alternative routes ahead of time so in your moment of need you can use detours to avoid traffic jams.

Not only does this cut down on idling time, but it keeps your stress down, preventing not so fuel-efficient habits like aggressive driving.

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