There are many advantages that can come from limiting your car usage. Some people say when they had a car they were always tense , Now with out a car they say that they are much happier this way. In paris, if motorists with even numbered license plates left home with their cars they'd be fined with 22 Euros ($31 USD). Almost 4,000 drivers were fined for leaving home with their cars , And 27 people had their cars impounded for the way they reacted to the fine. Cold nights and warm days cause the warm layer of air to trap car emissions.

In Bogota, Columbia cars have been banned for three years only buses and taxis are permitted to drive, The goal is to promote alternative transportation and reduce smog. They had to pay $25 fines if they were to violate the rule. People say "Its a good opportunity to take away stress and lower air pollution". Parks and sports centers also have spread throughout the city and uneven sidewalks have been replaced with broad, smooth sidewalks. Restrictions have dramatically cut traffic.