text: But all of these reasons are just part of life and I believe that all teenagers need to be exposed to what will happen to them in the real world.        To inform fellow citizens about advantages of limiting car usage you would have to tell them everything. Like how residents from Germany upscale community are suburban pioneers and they have given up their car's. Street parkng, driveways and home garages are generally forbidden in there district. Why is this forbidden? i just don't get it. Car owners buy there own space, for $40,000 along with there home. In Europe passenger cars are reponsible for 12 percent of greenhouse gas emissions and up to 50 percent in some car intensive areas in the United States.