Comparing Energy Costs per Mile for Electric and Gasoline Vehicles

[PamW]

10. WRONG!!!!!

Heated and air conditioned seats are way more efficient than heating or cooling the whole car. For the most part that is a non issue.
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Sorry - but heating and cooling just the seats isn't going to keep you comfortable in cold midwest and northern winters nor broiling summers in the south.

Also air conditioning loads are not trivial. Again, the 2nd Law of Thermodynamics, a fundamental Law of Nature / Physics that we can not escape or get around places restrictions on how much heat you can transfer for a given amount of input work.

In a typical car; the air conditioning adds about 7 or 8 Horsepower draw on the accessory drive. That is it takes that much to run the air conditioning and provide the energy to pump the heat out.

Now consider that tooling down the road at highway speed; your engine is putting out essentially about 30 to 35 HP; that 7 HP or 8 HP is a non-trivial load.

It's about a 25% effect. If that's what the EV industry calls "very little"; that says a lot about them.

PamW