In Winter, when warm bodies pile into a cold car interior, moisture builds and the windows mist up because of the temperature difference. It’s a fact that, in a recent survey, a third of drivers admitted driving with their windscreen iced or misted up in wintry conditions. That way penalty points and fines await, because
If you were able to take a time machine back to, say, the mid-20th Century, you would be likely to see cars stranded at the roadside with steam pouring from the engines. Blown radiator hoses and thermostats were probably the reason. It was a fairly common occurrence and most drivers experienced it at least once.