Cars Roundup: Fuel Efficiency and Safety Standards

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How far will a gallon of gas take you? In ten years, new cars will need to average 54.5 miles per gallon to meet federal fuel efficiency standards. But automakers are running out of easy ways to get there. They're now looking to improve not your car, but your gasoline. Higher octane gas makes cars more fuel efficient, but it's also more expensive.


Aaron Robinson - Editor at Large, Hagerty magazine

Madeleine Brand

Matt Holzman, Anna Scott, Jolie Myers, Christian Bordal, Ryan Kailath