[lini]

The battery can be heated, so you can reduce the cold weather range problems by preconditioning the battery before a drive. Naturally this uses some power, so Tesla recommends keeping the car plugged in when it's cold so it can keep everything nice and warm.

[fy20]

No different than using a block heater or diesel coolant heater then. ICE vehicles use a lot more fuel in winter too, and take a long time to get up to temperature.

[sliken]

Indeed. Telsa's will keep batteries at reasonable temperatures when plugged in, but not optimal. There is a departure setting available so you can make sure your battery is full and at the ideal temperature for any scheduled departures.