How much CO2 does a plane emit compared to a car?

A good point of reference is that a cross-country airplane trip from New York City to Los Angeles, and then back to New York City, would emit 0.62 tons of carbon dioxide (CO2) per passenger. The same trip in the average vehicle getting 21.6 miles per gallon would emit 1.26 tons of carbon emissions.



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Personal planes have significantly higher emissions than other modes of transport. An average journey in one produces CO2 equivalent to driving a petrol car from Paris to Rome 16 times.

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CO2 emissions from aviation fuel are 3.15 grams per gram of fuel [1], which gives CO2 emissions from a Boeing 737-400 of 115 g per passenger per km. At a cruising speed of 780 km per hour [Wikipedia, 28.2. 08], this is equivalent to 90 kg CO2 per passenger per hour.

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  1. China. China is the largest emitter of carbon dioxide gas in the world, with 10,668 million metric tons emitted in 2020. ...
  2. The U.S. The U.S. is the second-largest emitter of CO2, with 4,713 million metric tons of total carbon dioxide emissions in 2020. ...
  3. India. ...
  4. Russia. ...
  5. Japan.


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Comparing greenhouse gas emissions Essentially, one long flight releases the equivalent of nearly 14 percent of the annual emissions from your car. The same route, when driven, will result in the release of 1.26 tons of carbon emissions.

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Finally, the plane is the most polluting means of transport and the one that generates the most greenhouse emissions.

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Aviation is responsible for between 2pc and 3pc of global carbon emissions. And Ms Thunberg continues to refuse to fly because of the impact on the environment.

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The Burning of Fossil Fuels Most of the air pollution takes place due to the incomplete burning of fossil fuels. These include coal, oil, and gasoline to produce energy for electricity or transportation.

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The four engines of the Boeing 747 Jumbo Jet burn approximately 10 to 11 tonnes of fuel an hour when in the cruise. This equates to roughly 1 gallon (approximately 4 litres) of fuel every second. It can carry a maximum of 238,604 liters of fuel and it has a range of about 7,790 nautical miles.

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