Human-made air pollution comes from many things. Most air pollution made by humans today is because of transportation. Cars, for instance, make about 60% of the human-made air pollution. The gases inside car exhaust, like nitrogen oxide, make smog and acid rain.
The average price of a new car in America tops $33,000, according to car-buying site Kelley Blue Book, so buying a vehicle is a major financial move. While many consumers focus on sticker price or the monthly payment, that overlooks many other costs.
1 For a single car garage, the average price is $7,500 to $12,000. 2  A 3-car garage is somewhere around 24x34. 3  Based on the average of $50 per square foot this would work out to just over $40,000. Most estimates to build a garage fall somewhere within the range of $35 per square foot to $80 per square foot, with the average being around $50 per square foot.