Americans spend just over 2 and 1/2 hours per day in a car. The average American over the age of 18 spends 18 hours and 31 minutes per week in their car, which averages out to 2 hours, 38 minutes per...
It can vary. It depends on: how long you live your lifestyle the weather if you have kids if you have lots of windows if you care that you have lots of windows if you live in a nudist colony
...