text: If fewer automobiles are used during day and night, people who walk from work, or ruuning errands can have an easier time breating the less-polluting air. In many locations around the world has residents that don't own or use a car or motorcycle because this can benefit the community by making it safer to walk. I source 4, the passage shares information about percentages of young people that own cars, but rarely use them on a daily basis. Source 3 talks about a couple cities in Colombia declining car use since a variety of people in Colombia have car and motorcycle access, the streets get polluted extremely easy, so residents tried to reduce the amount of smog in the community.