Obama Administration announces first fuel economy and GHG standards for medium- and heavy-duty vehicles
Green Car Congress
AUGUST 9, 2011
The new HD National Program covers vehicle classes 2b through 8. US President Barack Obama announced fuel efficiency and greenhouse gas emission standards for medium- and heavy-duty vehicles. These metrics account for the fact that the work to move heavier loads burns more fuel, and emits more CO 2 than in moving lighter loads.
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