Emissions from the transportation sector main arise from fossil fuel combustion for cars, trucks, ships, trains, and airplanes. Without aggressively implemented mitigation policies, greenhouse gas emissions are expected to rise over the next decades. Demand for transportation in emerging regions is currently lower than in developed countries; however, it is expected to rise much quicker in the near future due to increasing incomes. Direct emissions from the transportation sector can be reduced by avoiding journeys and behavioral changes, improving vehicle performance technologies, using low carbon fuels, and investing in transportation infrastructure.
Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector
Characteristic
Share of CO₂ emissions
Heavy-duty vehicles
38%
Light-duty vehicles
36%
Shipping
14%
Aviation
11%
Rail
1%
Created with Highcharts 7.2.2Share of CO₂ emissions38%38%36%36%14%14%11%11%1%1%Heavy-duty vehiclesLight-duty vehiclesShippingAviationRail
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IEA. (April 11, 2017). Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector [Graph]. In Statista. Retrieved February 17, 2025, from https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/
IEA. "Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector." Chart. April 11, 2017. Statista. Accessed February 17, 2025. https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/
IEA. (2017). Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector. Statista. Statista Inc.. Accessed: February 17, 2025. https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/
IEA. "Distribution of Carbon Dioxide Emissions from The Transportation Sector Worldwide in 2050, by Subsector." Statista, Statista Inc., 11 Apr 2017, https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/
IEA, Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector Statista, https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/ (last visited February 17, 2025)
Distribution of carbon dioxide emissions from the transportation sector worldwide in 2050, by subsector [Graph], IEA, April 11, 2017. [Online]. Available: https://www.statista.com/statistics/748621/distribution-of-worldwide-co2-emissions-from-transportation-sector-by-sub-sector/
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