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 Numbersort descending Part Subject Actions
 
49 CFR Parts 523, 531, 533, 534, 536 and 537 Average Fuel Economy Standards, Passenger Cars and Light Trucks, Model Year 2011

NHTSA estimates that the MY 2011 standards will raise the industry-wide combined average to 27.3 mpg, save 887 million gallons of fuel over the lifetime of the MY 2011 cars and light trucks, and reduce CO2 emissions by 8.3 million metric tons during that period.

Final Regulatory Impact Analysis: Corporate Average Fuel Economy for MY 2011 Passenger Cars and Light Trucks 1.81 MB Final Rule, Record of Decision: Average Fuel Economy Standards Passenger Cars and Light Trucks Model Year 2011 3.87 MB
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 533 Light Truck Average Fuel Economy Standards, Model Years 2005-2007

This final rule established the average fuel economy standards for light trucks that will be manufactured in the 2005-2007 model years (MYs). Chapter 329 of Title 49 of the United States Code requires the issuance of these standards. The standards for all light trucks manufactured by a manufacturer is set at 21.0 mpg for MY 2005, 21.6 mpg for MY 2006, and 22.2 mpg for MY 2007. This rule is effective May 5, 2003.

Final Environmental Assessment: Light Truck Fuel Economy Standards 5.35 MB Final Economic Assessment: Corporate Average Fuel Economy Standards for MY 2005-2007 Light Trucks 7.62 MB Final Rule
49 CFR Parts 571 Child Restraint System - Anton's Law - FY 2005

This document responds to Section 4(b) and Section 3(b)(2) of Anton’s Law, which directed NHTSA to initiate rulemaking on child restraint system safety, with a specific focus on booster seats and restraints for children who weigh more than 50 pounds (lb). After the enactment of Anton’s Law, this agency increased the applicability of Federal Motor Vehicle Safety Standard (FMVSS) No. 213, Child restraint systems, from restraints recommended for children up to 50 lb to restraints recommended for children up to 65 lb. Today’s document proposes a further expansion, to restraints recommended for children up to 80 lb. It also proposes to require booster seats and other restraints to meet performance criteria when tested with a crash test dummy representative of a 10-year-old child. Section 4(a) and all other provisions of Section 3 were addressed in rulemaking documents issued previously by NHTSA.

Notice of Proposed Rulemaking: Child Restraint Systems 214.42 KB
49 CFR Part 571, 572, 589 Head Impact Protection

Final Rule; Response to Petitions for Reconsideration.
49 CFR Part 571 Child Restraint Systems

Final Rule
49 CFR Part 571 Occupant Crash Protection

Final Rule
49 CFR Part 213, 225 Child Restraint Systems

Child restraint systems are the most effective way to protect young children involved in motor vehicle crashes.

Final Economic Assessment
49 CFR Part 576 Recordkeeping and Record Retention

Notice of proposed rulemaking
49 CFR Part 213 Child Restraint Anchorage Systems

Final Economic Assessment
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.