s all leading to a cleaner running engine.
             Along with the improvements in the busses, the Max light rail has also had a beneficial impact on the local air quality. For many years light rail and streetcar systems have service the community as a form of transportation as well as limiting air pollution.
             Back in the early 1900's streetcars were the main sources of transportation, for the general public, these cars were a very efficient and useful way of getting around town. In big cities such as Philadelphia, New York, Boston and even Los Angeles had all adopted streetcars as means of travel.
             It wasn't until the mid 1920 that General Motors began to take over the street by producing buses. GM began buying out streetcar companies, ripping up old car tracks then implementing their new bus systems. It was these busses that began air pollution problem that we have today. Any company that was involved and could benefit financially from the growth of the transportation industry pitched in on many of the new freeway expansion proposals. As GM became more powerful, they continued to buy out city
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