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建立人际资源圈Air_Pollution_-_Auto_Emissions
2013-11-13 来源: 类别: 更多范文
Air Pollution - Auto Emissions
Air Pollution Auto Emissions
Introduction
Automobiles have revolutionized Americas economy, completely reinvented Americas lifestyle, and caused the creation of the methods of mass production we use today. Petroleum, once a practically useless commodity, is sold and bought by million barrels. Hundreds of thousands of jobs were created to fill the thousands of automobile-producing factories that have sprung up. The American lifestyle was completely reinvented to accommodate the automobile. Cities spread out, suburbs sprang up and railroads and horses faced obsolescence. Farmers were able to bring their goods to market much faster and over longer distances. Factory workers, once imprisoned to the very place they worked, were able to live much farther away while still being able to get to work on time. The automobile completely and forever changed America.
The automobile was the most defining force in America during the first half of the twentieth century. No other invention or innovation has touched as many aspects of our society as the automobile. It allowed Americans for the first time to actually utilize the freedom granted them in the constitution. Americans no longer forced to follow set paths laid down years ago. They could travel wherever they pleased whenever they pleased. The
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