text: Promoting alternative transportation could help local economies rise, and lower stress levels. "It's a good oportunity to take away stress and lower air polution" sais a business man participating in Bogata's car-free day. Participants in these events claim that they relieve stress and most people can see why, it's very hard to avoid stressful situations when you're driving. Whether it's the guy who cut you off or a slow old lady there is always something that will grind your gears. the executive chairman of the Ford company said that "in cities where vehicle ownership is impractical or undesirable they would be able to create a network that would save time, conserve resources, lower emisions, and improve safety." If there are other sources of transportation available, why not take advantage of them?