posts tagged as Tier 3
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March 2014
On Monday, March 3, the Environmental Protection Agency (EPA) announced its Tier 3 regulations requiring U.S. refineries to further reduce their sulfur...
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May 2013
WASHINGTON D.C. -- IER President Thomas Pyle sent two letters today to Obama administration officials requesting more time for public comment on...
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April 2013
The U.S. Environmental Protection Agency (EPA) has decided that the sulfur content of gasoline must be further reduced from 30 parts per...
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June 2012
Although the general public hasn’t heard much about it, the EPA is preparing to issue so-called “Tier 3” regulations on automakers and...
