Those personal appliance have very real cost, especially in term of how much space it takes up on the roads and the amount of parking lots allocated. All of the

Those personal appliance have very real cost, especially in term of how much space it takes up on the roads and the amount of parking lots allocated. All of these increased the distance you have to walk to get somewhere and increased congestion. I saw traffic in Sagion, Vietnam. Believe me, cars stick out like sore thumb compared to motorcycles and bikes, and if everyone uses car, traffic would basically grind to a halt. With the way we use cars in America, it's very inefficient.