# How long does it take to burn a gallon of gas while idling?

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Date created: Tue, Jun 8, 2021 2:46 PM
Date updated: Sun, Aug 7, 2022 8:18 PM

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## Top best answers to the question Â«How long does it take to burn a gallon of gas while idlingÂ»

The AAA says a good rule of thumb is that you use a quarter of a gallon of gas for every fifteen minutes you idle. So, if you do that five days a week, you're burning about \$4 worth of gas and getting zero miles per gallon.

A study points out at the fact that the rate of fuel consumption while idling depends from car to car. Generally, an idling car uses somewhere between 1/5 to 1/7 gallon of fuel per hour. Generally, an idling car uses somewhere between 1/5 to 1/7 gallon of fuel per hour. Source: repareo. Compact cars that carry a 2-liter capacity engine burn around 0.16 â€“ 0.3 gallons of gas on a per hourly basis.

Typically speaking, for gasoline engines you'll find that per liter of displacement, the engine will burn around 0.08 to 0.1 gallons per hour, fully warmed up, at the factory idle of 650-700rpm. That means for a 2L engine you can expect something like 0.16-0.2 gallons per hour.

How much gas does a car burn per hour while idling? This number is not hard to find if you get an OBDII scanner. Typically speaking, for gasoline engines you'll find that per liter of displacement, the engine will burn around 0.08 to 0.1 gallons per hour, fully warmed up, at the factory idle of 650-700rpm.

Letâ€™s dive a little deeper into the numbers: When a vehicle is left idling, it can consume one gallon of fuel each hour. The American Trucking Associations states that one hour of idling per day for one year results in the equivalent of 64,000 miles in engine wear.

Of the remaining vehicle types listed, the transit bus consumed the most fuel while idling at nearly 1 gallon per hour (gal/hr). The gasoline medium heavy truck category with a gross vehicle weight (GVW) of 19,700-26,000 lbs. consumed more fuel at idle than the diesel medium heavy truck category at 23,000-33,000 lbs. GVW. Fuel Consumption at Idle ...

To determine whether it really takes more fuel to start an engine than it does to let the engine idle, the researchers stopped and started the same engine repeatedly until they had used the same amount of fuel that was burned during the 90 minutes the cars spent idling.

â€¢ Idling uses up to Â½ gallon of fuel per hour (although it varies depending on the type and size of the engine). It may not seem like much, but idling for a few minutes everyday can cost you several dollars per week.

Your furnace may kick on for 10 minutes out of the hour and you may spend half an hour using the stove. Maybe your water heater only turns on for 15-20 minutes out of the hour. With normal usage like this, youâ€™ll burn much less than 3.79 gallons per hour.

One gallon of gas can pollute as much as 750,000 gallons of water, so donâ€™t delude yourself into thinking a little bit wonâ€™t do any harm. Donâ€™t store gas cans outdoors. Gas cans are durable, but the plastic models can be punctured and metal cans are susceptible to rust.

According to the Department of Energy, heavy-duty trucks consume about 0.8 gallons of fuel per hour when idling. Truck drivers often need to leave their trucks idling during their rest periods, which can be up to 10-hours, which would waste nearly 8 gallons of fuel while they sleep. In addition, non-job-related idling may add to these costs. A 30-minute driver lunch break for each of your drivers each day could be costing you another 2.5 gallons of wasted fuel.