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Light-Duty Vehicle CO2 and Fuel Economy Trends

Download the Report for CO2 and Fuel Economy Trends

1975-2017 Executive Summary

Stand-alone document summarizing the key highlights from the full Trends Report.

1975-2017 Full Report

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.

Table of Contents Page
1. Introduction 1
2. Fleetwide Trends Overview 3
3. Vehicle Class, Type, and Attributes 14
4. Manufacturers and Makes 37
5. Powertrain Technologies 54
6. Technology Adoption Rates 90
7. Alternative Fuel Vehicle Metrics 100
8. High Fuel Economy/Low CO2 and Advanced Technology Choices  113
9. Regulatory Context 118
10. Additional Database and Report Details 125

Previous Year's Report

The 2017 report, available above, supersedes all previous versions of the report. The full 2016 report is available for reference only.