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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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EPA Proposes 62-mpg Fuel-Efficiency Standard by 2025
1 October 2010 4:32 pm
The U.S. Environmental Protection Agency has proposed fuel economy and greenhouse gas emissions standards that could require cars and light trucks to get as much as 62 miles per gallon of gasoline by 2025. The proposed rules would not be finalized for 2 years and would not take effect until 2017. Some perspective from the nonprofit Center for Biological Diversity:
The most ambitious of today's proposals would increase fuel efficiency by 6% a year, which would mean U.S. fuel efficiency would be approximately 37 miles per gallon for new cars and light trucks in 2017. By comparison, Europe and Japan reached 42 mpg in 2008. The United States could reach 62 mpg in 2025 (again, under the most aggressive option), but Europe has set a more ambitious target of 64.8 mpg by 2020—5 years earlier.
Automobile manufacturers are ambivalent about the proposal.