A thing that has always puzzled me about electric cars is how do they cope in winter. How do you heat the car up and demist windows, I should imagine it reduces your mileage considerably if it has to done electrically? I beli eve the batteries give off some heat and perhaps some heat from the motor/s can be harvested but I cannot see it compares to using the coolant system in a petrol or diesel car. Heat as opposed to sound insulation might help. Is it a case of wrap up well and stick your flying helmet on?
Richard