Pre-heating is great, but if your commute is very long it can't make much difference. Traditionally, vehicles are very poorly insulated and it isn't a big probl

Pre-heating is great, but if your commute is very long it can't make much difference. Traditionally, vehicles are very poorly insulated and it isn't a big problem because their heat is a free waste product. Electric vehicles really need a level of insulation they haven't even considered yet.