Topic: Transportation emissions in the U.S.

Transportation emissions in the U.S. - statistics & facts

Transportation is now responsible for more planet-warming emissions than any other sector in the United States, having surpassed the electric power sector in the mid-2010s. Each year, vehicles on land, sea, and air in the U.S. pump out the equivalent of almost two billion metric tons of carbon dioxide (�ҳٰ䰿₂e) into the atmosphere. This not only represents more than one quarter of domestic greenhouse gas (GHG) emissions, but also nearly one-quarter of global transportation emissions, making the U.S. the world’s biggest polluter from transportation-related activities by far.

U.S. share of global transportation CO₂ emissions
22%

Transportation's share of U.S. GHG emissions
29%

U.S. transportation-related CO₂ emissions
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Current statistics on this topic

Emissions

Transportation sector CO₂ emissions in the U.S. 1975-2025

Emissions

Greenhouse gas emissions from passenger cars in the U.S. 1990-2022

Emissions

Share of global transportation sector CO₂ emissions 2023, by country

Overview

Global transportation sector CO₂ emissions 1970-2023
Global transportation sector CO₂ emissions 1970-2023
Carbon dioxide emissions from the transportation sector worldwide from 1970 to 2023 (in billion metric tons)
Share of global transportation sector CO₂ emissions 2023, by country
Share of global transportation sector CO₂ emissions 2023, by country
Distribution of carbon dioxide emissions from the transportation sector worldwide in 2023, by select country
Global transportation sector CO₂ emissions per capita 2023, by country
Global transportation sector CO₂ emissions per capita 2023, by country
Per capita carbon dioxide emissions of the transportation sector worldwide in 2023, by select country (in metric tons)
U.S. carbon dioxide emissions 1975-2025, by sector
U.S. carbon dioxide emissions 1975-2025, by sector
Carbon dioxide emissions from energy consumption in the United States from 1975 to 2025, by sector (in million metric tons of carbon dioxide)
Share of greenhouse gas emissions in the U.S. 2022, by sector
Share of greenhouse gas emissions in the U.S. 2022, by sector
Distribution of greenhouse gas emissions in the United States in 2022, by economic sector

GHG emissions

Transportation sector CO₂ emissions in the U.S. 1975-2025
Transportation sector CO₂ emissions in the U.S. 1975-2025
Carbon dioxide emissions from energy consumption in the transportation sector in the U.S. from 1975 to 2025 (in million metric tons of carbon dioxide)
Transportation sector CO₂ emissions change in the U.S. 1990-2024
Transportation sector CO₂ emissions change in the U.S. 1990-2024
Annual percent change in transportation sector carbon dioxide emissions from energy consumption in the United States from 1990 to 2024
Transportation CO₂ emissions in the U.S. 2018-2025, by month
Transportation CO₂ emissions in the U.S. 2018-2025, by month
Monthly carbon dioxide emissions from the transportation sector in the U.S. from 2018 to 2025 (in million metric tons of carbon dioxide)
Transportation-related CO₂ emissions in the United States 1990-2024, by fuel type
Transportation-related CO₂ emissions in the United States 1990-2024, by fuel type
Transportation sector carbon dioxide (CO₂) emissions in the United States from 1990 to 2024, by fuel type (in million metric tons)
Transportation sector CO₂ emissions in the U.S. 1980-2022, by state
Transportation sector CO₂ emissions in the U.S. 1980-2022, by state
Transportation-related carbon dioxide emissions in the United States from 1980 to 2022, by select state (in million metric tons of carbon dioxide)
Transportation sector CO₂ emissions per capita in the U.S. 2022, by state
Transportation sector CO₂ emissions per capita in the U.S. 2022, by state
Per capita energy-related carbon dioxide emissions from the transportation sector in the United States in 2022, by state (in metric tons per person)

Segments

Breakdown of transportation GHG emissions in the U.S. 2022, by source
Breakdown of transportation GHG emissions in the U.S. 2022, by source
Distribution of greenhouse gas emissions from the transportation sector in the United States in 2022, by vehicle type
Greenhouse gas emissions from light-duty trucks in the U.S. 1990-2022
Greenhouse gas emissions from light-duty trucks in the U.S. 1990-2022
Greenhouse gas emissions from light-duty trucks in the United States from 1990 to 2022 (in million metric tons of CO₂ equivalent)
Greenhouse gas emissions from medium and heavy-duty trucks in the U.S. 1990-2022
Greenhouse gas emissions from medium and heavy-duty trucks in the U.S. 1990-2022
Greenhouse gas emissions from medium and heavy-duty trucks in the United States from 1990 to 2022 (in million metric tons of CO₂ equivalent)
Greenhouse gas emissions from passenger cars in the U.S. 1990-2022
Greenhouse gas emissions from passenger cars in the U.S. 1990-2022
Greenhouse gas emissions from passenger cars in the United States from 1990 to 2022 (in million metric tons of CO₂ equivalent)
Transportation GHG emissions change in the United States 1990-2022, by vehicle type
Transportation GHG emissions change in the United States 1990-2022, by vehicle type
Change in annual transportation greenhouse gas emissions in the United States in 2022 relative to 1990 and 2005 levels, by vehicle type (in percent)
CO₂ emissions from road transportation in the U.S. 2022, by vehicle and fuel type
CO₂ emissions from road transportation in the U.S. 2022, by vehicle and fuel type
Carbon dioxide emissions from road transport in the United States in 2022, by vehicle and fuel type (in million metric tons of CO₂ equivalent)

Air pollutants

Air pollutant emissions sources in the U.S. 2024, by category
Air pollutant emissions sources in the U.S. 2024, by category
Distribution of air pollutant emissions in the United States in 2024, by source category
Sulfur dioxide emissions from road transportation in the U.S. 1970-2023
Sulfur dioxide emissions from road transportation in the U.S. 1970-2023
Annual sulfur dioxide (SO₂) emissions from road vehicles in the United States from 1970 to 2023 (in 1,000 tons)
Road vehicle particulate matter emissions in the U.S. 2005-2023
Road vehicle particulate matter emissions in the U.S. 2005-2023
Annual PM2.5 and PM10 emissions from road vehicles in the United States from 2005 to 2023 (in 1,000 tons)
Road transportation nitrogen oxides emissions in the U.S. 1970-2024
Road transportation nitrogen oxides emissions in the U.S. 1970-2024
Annual nitrogen oxides (NOx) emissions from road vehicles in the United States from 1970 to 2024 (in 1,000 tons)
Road transportation nitrogen oxides emissions in the U.S. 2023, by state
Road transportation nitrogen oxides emissions in the U.S. 2023, by state
Nitrogen oxides (NOx) emissions from road vehicles in the United States in 2023, by state (in 1,000 tons)

Outlook

U.S. CO₂ emissions reduction projections under IRA scenarios 2030-2035, by sector
U.S. CO₂ emissions reduction projections under IRA scenarios 2030-2035, by sector
Projected carbon dioxide emissions reductions in the United States by 2030 and 2035, relative to 2005 levels, by IRA scenario and end-use sector (in percent)
Sectoral GHG emissions projections under current policy in the U.S. 2035, by sector
Sectoral GHG emissions projections under current policy in the U.S. 2035, by sector
Projected greenhouse gas emissions under current policy in the United States by 2035, by sector and scenario (in million metric tons of CO₂ equivalent)
Projected GHG emissions reductions in the U.S. 2023-2030, by sector
Projected GHG emissions reductions in the U.S. 2023-2030, by sector
Projected change in greenhouse gas emissions under current policy in the United States from 2023 to 2030, by sector (in percent)
GHG emissions projections in the U.S. 2030, by subsector and scenario
GHG emissions projections in the U.S. 2030, by subsector and scenario
Projected greenhouse gas emissions under joint action scenario in the United States in 2030, by subsector and pathway (in million metric tons of CO₂ equivalent)
Projected emission standard targets for LDVs in the U.S. 2027-2032, by class
Projected emission standard targets for LDVs in the U.S. 2027-2032, by class
Greenhouse gas emission standards for new light-duty vehicles in the United States from 2027 to 2032, by regulatory class (in grams of carbon dioxide per mile)

U.S. share of global transportation CO₂ emissions
22%

Transportation's share of U.S. GHG emissions
29%

U.S. transportation-related CO₂ emissions
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Key figures

The most important key figures provide you with a compact summary of the topic of "Transportation emissions in the U.S." and take you straight to the corresponding statistics.

- Change in U.S. transportation emissions in 2022
- ***%
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Detailed statistics
Transportation sector CO₂ emissions change in the U.S. 1990-2024
- U.S. transportation emissions from motor gasoline
- 1.04 �ҳٰ䰿₂
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Detailed statistics
Transportation-related CO₂ emissions in the United States 1990-2024, by fuel type
- Largest contributor to U.S. transportation emissions
- Texas
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Detailed statistics
Transportation-related CO₂ emissions in the United States 2022, by state

- U.S. transportation sector NOx emissions
- ***m t
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Detailed statistics
Transportation NOx emissions in the U.S. 1990-2023
- U.S. road vehicle PM2.5 emissions
- *******t
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Detailed statistics
Road vehicle particulate matter emissions in the U.S. 2005-2023
- U.S. road transportation SO₂ emissions
- 11,000 t
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Detailed statistics
Sulfur dioxide emissions from road transportation in the U.S. 1970-2023

- Main source of U.S. transportation emissions
- Light-duty trucks
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Detailed statistics
Breakdown of transportation GHG emissions in the U.S. 2022, by source
- U.S. GHG emissions from passenger cars
- ******�ѳٰ䰿₂e
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Detailed statistics
Greenhouse gas emissions from passenger cars in the U.S. 1990-2022
- U.S. GHG emissions from medium & heavy-duty trucks
- 417.1 �ѳٰ䰿₂e
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Detailed statistics
Greenhouse gas emissions from medium and heavy-duty trucks in the U.S. 1990-2022
- U.S. GHG emissions from light-duty trucks
- 671.8 �ѳٰ䰿₂e
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Detailed statistics
Greenhouse gas emissions from light-duty trucks in the U.S. 1990-2022