CAFE - Corporate Average Fuel Economy

New standards for CAFE increase the fuel economy of vehicles.

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Regulations

NHTSA issues Federal Motor Vehicle Safety Standards (FMVSS) to implement laws from Congress. These regulations allow us to fulfill our mission to prevent and reduce vehicle crashes.

100 Results
FMVSS Number Part Subject Actions
 
49 CFR Part 571 Theft Protection and Rollaway Prevention

Extension of Comment Period on NPRM: Theft Prevention and Rollaway Prevention 128.49 KB
49 CFR Part 575 Tire Fuel Efficiency Consumer Information Program

Proposes a broad new consumer information program for replacement tires to inform consumers about the effect of tires on fuel efficiency, safety, and durability. This consumer information program would implement a national tire fuel efficiency rating system for replacement tires, with the information provided to consumers at the point of sale and online. Fuel efficiency ratings are expected to inform consumers so that they will be better informed about replacement tire performance. This consumer information program seeks to enhance energy security and reduce costs by improving fuel economy. Information would also be provided about safety and durability.

Final Rule: Tire Fuel Efficiency Consumer Information Program 786.3 KB Final Regulatory Impact Analysis: Replacement Tire Consumer Information Program 1.79 MB Phase 1: Evaluation of Laboratory Test Protocols - NHTSA Tire Fuel Efficiency Consumer Information Program Development 2.09 MB Color Figures for NHTSA's Tire Efficiency Consumer Information Program 445.43 KB Preliminary Regulatory Impact Analysis: Notice of Proposed Rulemaking Replacement Tire Consumer Information Program 1.3 MB Notice of Proposed Rulemaking: Tire Fuel Efficiency Consumer Information Program 691.3 KB
138 Tire Pressure Monitoring System

Final Regulatory Impact Analysis: Tire Pressure Monitoring System 3.92 MB
138 49 CFR Part 571 Tire Pressure Monitoring System

Preliminary Economic Assessment: TIRE PRESSURE MONITORING SYSTEM 329.99 KB
49 CFR Part 571 Tire Pressure Monitoring Systems; Controls and Displays

Final Rule: Federal Motor Vehicle Safety Standards; Tire Pressure Monitoring Systems; Controls and Displays 1019.18 KB Notice of Proposed Rulemaking
49 CFR Parts 571 Tire Reserve Load Notice

Denial of petition for rulemaking
49 CFR Part 567, 571, 574, 575, 597 Tire Safety Information

Notice of Proposed Rulemaking: Tire Safety Information 781.08 KB Final Rule
49 CFR Part 512 TREAD: Confidential Business Information

Final Rule
49 CFR Part 538 Under 49 CFR Part 538, Automotive Fuel Economy Manufacturing Incentives for Alternative Fuel Vehicles

To provide an incentive for the production of vehicles that can operate on certain alternative fuels as well as on regular petroleum fuels, Congress established a special procedure for calculating the fuel economy of those vehicles for determining compliance with the Corporate Average Fuel Economy standards.

Notice of proposed rulemaking (NPRM)
49 CFR Part 565 Vehicle Identification Number Requirements

Final Rule: Vehicle Identification Number Requirements 247.37 KB
National Highway Traffic Safety Administration Federal Motor Vehicle Safety Standards (FMVSS)

NHTSA on the Federal Register

View notices, proposed rules and final rules NHTSA administers. Also respond to requests for comment.