The purposes of the Clean Air Act that President Bush implemented in 1990 were:
The main reason of this act was conservation of energy. Bad air, full of harmful particles is of no use and hence, is wasted. Also, use of natural gas is promoted by this act. This is also a step towards preventing polluting air, getting clean air.
On November 15, 1990 the Clean Air Act was revised with overwhelming bipartisan support and signed into law by President George H. W. Bush. The 1990 amendment of the Clean Air Act introduced a nationwide approach to reduce acid pollution. The law is designed to reduce acid rain and improve public health by dramatically reducing emissions of sulfur dioxide and oxides of nitrogen.
Thus, the purposes of the Clean Air Act that President Bush implemented in 1990 were:
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