Light-duty GHG emissions and fuel consumption standards United States of America

Name of policy Light-duty emissions regulation
Jurisdiction Country
Supranational region
Country United States of America
Region North America

Subnational region or state
City or local
Policy objective
  • Mitigation
Type of policy instrument
  • Regulatory Instruments
    • Codes and standards
      • Sectoral standards
      • Vehicle fuel-economy and emissions standards
Sector name
  • Transport
    • Light duty vehicles
Policy description The standards are projected to result in an average industry fleetwide level of 163 grams/mile of carbon dioxide (CO2) in model year 2025, which is equivalent to 54.5 miles per gallon (mpg) if achieved exclusively through fuel economy improvements


- 54.5 mpg (is 23.2 km/l) by 2025

Divided by passenger cars and light trucks the CAFE standard for the period 2017-2025is

- 143 gCO2/mile for passenger cars (=62.1 mi/gallon / 26.4 km/l)

- 203 gCO2/mile for light-duty vehicles (=43.8 mi/gallon / 18.6 km/l)

Policy type
  • Changing activity
  • Energy efficiency2
Policy stringency
Implementation state Implemented
Date of decision
Start date of implementation
End date of implementation
High impact GHG reduction
Impact indicator

Source or references,

Supports policies
Is supported by policies
Comments (background and assessment) Target: 23.2 km/l by 2025
Status Final

Download this policy as Excel file