The amount of gas an idling car uses varies depending on engine type, size, etc. Transit buses consume the most gas while idling, nearly 1 gallon per hour. A car driving 65 MPH that gets 25 MPG uses about 1.6 gallons of gas per hour. On average, an idling average compact uses around 90% less gas than one that is being driven.
See the table below:
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|VEHICLE TYPE||FUEL TYPE||ENGINE SIZE|
|APPROXIMATE VEHICLE WEIGHT (LBS)||APPROXIMATE IDLING FUEL USAGE|
|Medium Heavy Truck||Gas||5-7||23,000||0.84|
|Medium Heavy Truck||Diesel||6-10||28,000||0.44|
- It takes millions of years for fossil fuels to develop.
- The fossil fuels we use today began forming during the Carboniferous Period, which was before dinosaurs ruled the Earth.
- Around 90% of our energy comes from fossil fuels.
- U.S. Department of Energy – Fact #861 February 23, 2015, Idle Fuel Consumption for Selected Gasoline and Diesel Vehicles
- SoftSchools.com – Fossil Fuel Fun Facts