Energy 101: Heavy Duty Vehicle Efficiency

Although Class 8 Trucks only make up 4% of the vehicles on the road, they use about 20% of the nation's transportation fuel.  In this video, learn how new fuel-efficient technologies are making our country's big rigs quieter, less polluting, more energy-efficient, and less expensive to operate over time.

Transcript:
http://energy.gov/eere/videos/energy-...

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