From slashdot, we learn about two Utah teens who developed a working automotive A/C unit that works off the Peltier effect, rather than Freon (or R-13a, whatever the new stuff is called.)
The article implies that utilizing current to power the Peltier effect, rather than taking mechanical power off the engine's pulleys, will result in significant savings in fuel consumption. Also, the chips have a life-span of 20-30 years, which is a hell of a lot longer than any automotive A/C I've ever owned. And not having to synthesize and/or dispose of the coolant is a big plus.
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