<P> Many governments worldwide have mandated restrictions on contaminants that refineries release , and most refineries have installed the equipment needed to comply with the requirements of the pertinent environmental protection regulatory agencies . In the United States , there is strong pressure to prevent the development of new refineries , and no major refinery has been built in the country since Marathon 's Garyville , Louisiana facility in 1976 . However , many existing refineries have been expanded during that time . Environmental restrictions and pressure to prevent construction of new refineries may have also contributed to rising fuel prices in the United States . Additionally , many refineries ( more than 100 since the 1980s ) have closed due to obsolescence and / or merger activity within the industry itself . </P>
<P> Many governments worldwide have mandated restrictions on contaminants that refineries release , and most refineries have installed the equipment needed to comply with the requirements of the pertinent environmental protection regulatory agencies . In the United States , there is strong pressure to prevent the development of new refineries , and no major refinery has been built in the country since Marathon 's Garyville , Louisiana facility in 1976 . However , many existing refineries have been expanded during that time . Environmental restrictions and pressure to prevent construction of new refineries may have also contributed to rising fuel prices in the United States . Additionally , many refineries ( more than 100 since the 1980s ) have closed due to obsolescence and / or merger activity within the industry itself . </P>
when was the last refinery built in the united states
when was the last refinery built in the united states
1976
1976