I talked to a guy a while back who drove a Citicar back when they were new. He put 200 miles a week on it for years.
He told me that he had some sort of internal combustion heater for it. It worked great, other than one of his legs was frozen, and the other was baked! The other problem is that combustion creates water vapor which is exactly what I DON'T WANT in the car.
I wouldn't want to use petroleum-based fuels for my car. Seems to defeat the point to drive an electric car if you just add gasoline to it to heat the thing!!! A bio-diesel heater could be a possibility...
Electric creates heat without adding moisture. The car's existing heater core and vents are designed to deliver heat where ever I want to direct it - mostly the windshield.
It just seems to me that it's logical to heat a liquid so that I can bring some electric heat with me, without having to create all that heat directly from my battery pack.
Of course the other way EVers usually add heat is to insert an electric resistive heating element (toaster guts!) in place of the original heater core. But that's far too traditional for me! Where's the fun in it!!?!?
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