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PHEV Day 144, Saturday, 28 February 2009, Holds a Two Variety of Folks Meeting at Flying Star plus Run to 41st State Capital, Santa Fe, New Mexico

Spirit of DC - PHEV3A

Cheers PHEV3A'rs, EVADC'rs, and EVnthusiasts, One & All - Saturday morning holds first a get-together of two variety of folks in Albuquerque -- EVnthusiasts, especially from the EAA (Electric Auto Association) and testy New Mexico Mensans. SPECIAL NOTE: Albuquerque has a PluginSupply PHEV Kit Dealer, George Daun GeoDaun@gmail.com.

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A closer look at why heat pumps are dominating EV HVAC systems

Charged EVs

Also, the COP goes down as the difference in the hot and cold side temperatures goes up—in other words, a heat pump trying to heat the interior of a car (or a house) when the ambient temperature is freezing cold might not be any more efficient than a resistive heater (this is another reason why a backup heat source is often needed).