
It is thought some time about replacing bicycles for cars, but this idea just stay in the air as good many that were proposed and were not made. Finally, I chord of this for a "letter which dealt with a story about a bicycle." In this letter not only refers to the system of which stand to live better, but also the methods they use. This is the case of
Groningen, the Netherlands , where it is used (mostly universities) bicycles instead of cars and there are many reasons.
"The motor transport is the actual" hard core "of the ecological crisis. No other human activity that impacts so serious as the motorized transport, committed to the generation of greenhouse gases, air pollution and marine noise , degradation of the landscape and urban sprawl associated with land development. " (Centrolegalambiental.com)