...is it better to efficiently produce heat or simply reduce the amount of heat that we need to produce?

We can concede that traditional Internal Combustion Engine (ICE) vehicles do one thing well – they produce lots of heat. That’s useful when you need to heat the cabin but all that wasted energy going out the tailpipe isn’t anything to brag about.

 

All vehicle types experience some loss of efficiency and range in cold weather including Internal Combustion Engine (ICE) vehicles.