Rate the following argument fragment on its writing, argument, and language skills:
Evidence: in Vauban, Germany a residents of this upscale community aew suburban pioneers, where people have given up their cars. Automobiles are the linchpin of suburbs, where middle-class families from chicago to Shanghai tend to make their homes.

The residents are trying to make cities denser, and better for walking for the past two decades, so Vauban, home to 4,400 residents within a rectangularsquare mile, may be the most advanced experiment in low-car suburban life. In United States, the Environmental protection Agency is promoting "car reduced" communities, and legislators are starting to act, if cautiously.

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