The U.S. Environmental Protection Agency ruled that existing technology allows for increased efficiency in model years 2022 to 2025. The 2011 rule to achieve 54.5 mpg by 2025 required a 'midterm evaluation' to see if the final target was achievable.
The Washington Post - Energy and Environment
March 9, 2015, 8am PDT
Manufacturers say yes, arguing that the reduction in vehicle crashes decreases traffic congestion. Other features improve traffic flow. But these are safety technologies, not emission-reducing measures, that critics worry will water-down CAFE.
December 31, 2014, 7am PST
The effect of low gas prices on motor vehicle selection by consumers could set back President Barack Obama's climate legacy, which includes obtaining fuel economy standards of 54.5 mpg by 2025.
March 5, 2014, 10am PST
In EPA’s leadership blog, Administrator Gina McCarthy announces the agency's new standards to reduce the sulfur content in gasoline by 60% in 2017 and new Tier 3 emission standards for cars and light trucks to reduce criteria and toxic air pollutants
June 21, 2011, 5am PDT
Gas prices have been dropping for a month. According to the chief oil analyst with the Oil Price Information Service in this radio interview, expect prices to continue dropping to as low as $3.25 a gallon, but don't expect lower than $3.00.
NPR-Weekend Edition Sunday