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Pedestrians passing by the Energy Department headquarters in Washington, D.C. today saw quite a strange sight – an ultra-modern 18-wheeler, Class 8 tractor-trailer parked outside our building! This is no ordinary truck  – it’s called a SuperTruck, a demonstration vehicle that is part of the Energy Department’s SuperTruck initiative.  This program’s goal is to develop tractor-trailers that are 50% more efficient than baseline models by 2015. Read more...