hybrid vehicles

FHWA asks states to create zero-emission, alternative fuel corridors
Cummins to develop plug-in hybrid Class 6 truck with federal grant
VIDEO: EchoDrive bolt-on kit turns pickup trucks into hybrids, cuts fuel use by 40%
States combat low gas tax revenues with hybrid-, electric-vehicle fees
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Supercapacitors may solve battery woes plaguing hybrid and electric vehicles
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