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Wednesday, March 14, 2012

Molecular heat pump for EVs (Electric Vehicles)

I do not know about you, but I have long wondered how EVs would heat and cool themselves. See, a lot of fuel is wasted in the process of creating heating and cooling in traditional automobiles. The air compressor that is used in a traditional automobile as part of the air conditioning system is wasteful at best. And I do not know how much power could be contributed to heating, but I believe something like 15% of the engine's power goes into cooling such engine. It is that coolant which is then taken through the heater core in the passenger cabin producing heat.

Well engineers at PNNL (Pacific Northwest National Laboratory) think they may have a solution to this conundrum. See they have developed a molecular heat pump which could handle both the heating and cooling of the passenger cabin on automobiles. It is said to be no larger than a 2 Liter bottle, weighing in at five pounds. This may be an advancement welcomed in the EV world.

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