Tuesday, November 19, 2013

What is a hybrid electric vehicle?

Most hybrid electric vehicles (HEVs) have both an internal combustion engine and an electric motor. Their batteries are recharged by regenerative braking, which recovers energy typically lost to heat in the brakes, or by an onboard generator, which works similarly to a conventional vehicle’s alternator. 
Hydraulic hybrids, which do not use an electric motor or batteries but rather use an accumulator and hydraulic fluid to capture braking energy, are also options in
the trucking market.
Some HEVs can also be recharged from a wall outlet or charging station. These vehicles are referred to as plug-in hybrid electric vehicles (PHEVs).
You can download in PDF format here
This document is supported in part through the Clean Fuel Advanced Technology project with funding from the N.C. Department of Transportation

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