text: Limiting car usage can even make you less tense, as said in the article," "When I had a car I was always tense. Im much happier this way,"said Heidrum Walter, a media trainerand mother of two, as she walker verdant streets where the swish of bicycles and the chatter of wandering childern drown out the occasional distant motor." Everything is better when car usage is limited it, makes you less tense and less pollution." " Its a good opportunity to take away stress and lower air pollution," said businessman Carlos Arturo Plaza as he rode a two-seat bicycle with his wife."