President Jimmy Carter, whose White House played key role in auto emissions and safety, dies at 100

President Jimmy Carter, who championed energy conservation, seat belts and airbags while ushering in some of the auto industry’s most sweeping safety and environmental rules, and who late in his only term signed legislation backing loans to rescue an ailing Chrysler Corp., died Dec. 29 in Plains, Ga. He was 100 and had lived in Plains since leaving office in 1981.