Air Pollution In Chicago City

In a cities like Chicago, New York and Los Angeles with thousands of daily commuters air pollution is a tremendous concern. The large quantities of air pollutants that the vehicles produce is a big issue. The city of Los Angeles has battle this issue for more than 50 years and they have created many regulations and legislations to reduce smog. Smog is a mixture of pollutants with carbon particles. But one of the best way to increase air quality is using alternative fuel vehicles. Public transportation plays a big role in the daily commuters, according to transitchicago.com in 2013 the CTA system has 1.68 million riders on average every week. The city of Chicago have taken the initiative of using alternative fuel vehicles. The CTA system is largely power by alternative energies. Without it the air quality in Chicago could be a lot worst. …show more content…
According to CTA the trains used are highly efficient in energy usage. The trains are power by clean electricity and some of the railcars have the regenerative braking technology that can power other railcars. Because all the trains are electric there is no emission to be concern about. The buses used in the CTA fleet are using a cleaner mixture of diesel with lower level of sulfur. Between 2007 and 2011, emissions of key pollutants from CTA’s bus fleet decreased by the following amounts; emissions are expected to decrease further by 2015 with planned bus fleets retrofits and replacements. With the retrofits and replacements this is what is expected, Nitrogen oxides: 36 percent reduction Hydrocarbons: 82 percent reduction Carbon monoxide: 55 percent reduction Particulate matter: 53 percent