Block heaters are extremely common in colder climates - upper midwest of the USA, Alaska, central Canada, etc. You can identify them when you see a vehicle with

Block heaters are extremely common in colder climates - upper midwest of the USA, Alaska, central Canada, etc. You can identify them when you see a vehicle with an electrical cord stub dangling just below the front bumper or in front of the grille. In fact, during my road trips through Alaska and Canada I frequently saw power outlets in front of parking stalls at hotels so that guests could plug in the heaters overnight.