Air pollution concentrations have been rapidly increasing in the major urban areas of Brazil caused mainly by
the increasing use of vehicles. Policies to control car emissions in Brazil have relied basically on mandatory
emission standards and subsidies for specific cleaner technology resulting in substantial decrease of car emission
rates. Nevertheless, taxes on car sales, differentiated by vehicles' size and fuel, have also influenced car
emission patterns. This paper analyses the compliance trend of the Brazilian fleet with environmental standards
between 1992 and 1997. We find that larger automobiles had the fastest compliance schedule while popular
models adjusted very slowly. Also gasoline-fuelled models had a faster adjustment pattern than ethanol cars.
Additionally, we analyse the current relationship between pollution emissions and car characteristics in order to
orient policy formulation. We find a positive relationship between emissions rates and horse power,......

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Title: Air Pollution
Approximate Word Count: 1853
Approximate Pages: 8 (250 words per double-spaced page)

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1. Air Pollution
   

   Air Pollution. What is air pollution? ... Air pollution is very dangerous to
   the human body, the environment, and animals and wildlife. ... ...

2. Air Pollution In China
   

   Air Pollution in China. Air Pollution in China When people ... other forms of
   outdoor air pollution. Air Pollution is not a new topic. ... ...

3. Air Pollution
   

   Air Pollution. Air pollution is defined as the contamination of the air by impurities. ...
   (ae.mm.ac.uk/eae.html.) Air pollution can also occur indoors. ... ...

4. Air Pollution
   

   air pollution. Air Pollution "Air pollution is a serious problem in many of the
   worlds large cities. ... Air pollution occurs when wastes dirty the air. ... ...

5. Problems Caused By Air Pollution
   

   Problems Caused By Air Pollution. ... Air pollution not only threatens the health and
   life of humans but also causes damage to the environment (Gay 13). ... ...