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Light-Duty Vehicle CO2 and Fuel Economy Trends

The Trends report is the authoritative reference for carbon dioxide (CO2) emissions, fuel economy, and technology trends in the automotive industry from model year 1975-2016.

Model year 2015 fuel economy averaged 24.8 mpg, and CO2 emissions averaged 358 grams per mile.

Light-Duty Vehicle CO2 and Fuel Economy Trends

The Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends Report is published annually to summarize trends in EPA’s best estimate of real world tailpipe carbon dioxide (CO2) emissions and fuel economy, and associated technologies.