Photo: Andrew Atzert , Flickr, CC An objective look at that number — 9 miles per gallon — will cause most environmentalists to recoil. But in this one case, they should be rooting for that fuel efficiency standard to become a reality. The EPA is considering updating the fuel economy standards for semis and heavy trucks. It’s currently at 6 MPG. And raising that number would have a massive impact on polluting emissions and fuel usage…. Read the full story on TreeHugger
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When 9 MPG Can Save 100 Billion Gallons of Fuel