... . Reducing the fuel consumption by any amount would further liberate the United States from oil-laden countries. This problem affects automobiles across the board and more so in highly populated urban areas. Cities such as Boston, New York, and Los Angeles are blanketed in smog and greenhouse gases from the exhaust of automobiles. While carpooling and mass transit alleviate traffic congestion ... that "Ultimately, the use of linear motors allowed the HyperMach test-bed to generate contours at feedrates of 2,400 inches per minute, with rapid rates of 4,000 ipm. The machine would have the ...

• Word Count: 4466
• Approx Pages: 18
• Has Bibliography

... main reasons was the automobile. The automobile had a profound impact on the United States. It brought superhighways, paved bridges, motels, vacations, suburbia, and the opportunity to trade this money making machine with other countries that had economic growth. Assembly lines became more efficient, thus allowing cars to be made more cheaply and allowing prices of cars to drop, enabling more Americans ... individual, but both aware of the need for trading outside our nation in order to become a superpower. During the second half of the nineteenth century, the United States experienced ...

• Word Count: 884
• Approx Pages: 4
• Grade Level: High School

... example of implementation is in France. According to Erbin and Soulas (2003) around 30 years ago only a few number of countries had developed unmanned urban transport, but France invested in new technologies and became the first country in the world to develop a driverless metro. The system developed is called ... an operator to control the speed and conduct the train. As a safe system it continues to be used in Chicago airport, in Lille as urban metro and in Taipeh VAL as a heavy metro. In brief, over the years countries around the world have developing new system to improve the ... us...

• Word Count: 1891
• Approx Pages: 8
• Has Bibliography
• Grade Level: Undergraduate