<Li> New Source Performance Standards (NSPS); and </Li> <Li> National Emissions Standards for Hazardous Air Pollutants (NESHAPs). </Li> <P> The 1970 law is sometimes called the "Muskie Act" because of the central role Maine Senator Edmund Muskie played in drafting the bill . </P> <P> To implement the strict new Clean Air Act of 1970, during his first term as EPA Administrator William Ruckelshaus spent 60% of his time on the automobile industry, whose emissions were to be reduced 90% under the new law . Senators had been frustrated at the industry's failure to cut emissions under previous, weaker air laws . </P>

Who wrote the clean air act of 1970