Gravity-Powered Car

The National Highway Traffic Safety Administration (NHTSA) is an integral part of the United States Department of Transportation (DOT) and its mission is to save lives, prevent injuries, and reduce traffic-related health care and other economic costs associated with motor vehicle use and highway travel. To accomplish this, NHTSA collects and analyzes motor vehicle crash data, and develops, promotes, and implements educational programs, vehicle safety standards, research, and enforcement programs. In 1979, NHTSA created the New Car Assessment Program (NCAP) to improve occupant safety by developing and implementing meaningful and timely comparative safety information that encourages manufacturers...