National Highway Traffic Safety Administration carries out programs relating to the safety performance of motor vehicles and related equipment, motor vehicle drivers and pedestrians and a uniform nationwide speed limit under the National Traffic and Motor Vehicle Safety Act of 1966 (80 Stat. 718), as amended. Under the authority of the Motor Vehicle Information and Cost Saving Act (86 Stat. 947), as amended, the Administration carries out programs and studies aimed at reducing economic losses in motor vehicle crashes and repairs, through general motor vehicle programs; administers the Federal odometer law; and promulgates average fuel economy standards for passenger and nonpassenger motor vehicles. Under the authority of the Clean Air amendments of 1970 (84 Stat. 1700), the Administration certifies as to the consistency of Environmental Protection Agency State grants with any highway safety program developed pursuant to section 402 of Title 23 of the United States Code. The National Highway Traffic Safety Administration was established to carry out a congressional mandate to reduce the mounting number of deaths, injuries, and economic losses resulting from traffic accidents on the Nation's highways and to provide motor vehicle damage susceptibility and ease of repair information, motor vehicle inspection demonstrations, and protection of purchasers of motor vehicles having altered odometers, and to provide average standards for greater vehicle mileage per gallon of fuel for vehicle under 10,000 pounds (gross vehicle weight).