According to wikipedia [1] The newest large refinery built in the US was completed in 1976 in Garyville, Louisiana. Since then, while some existing refineries

According to wikipedia [1] The newest large refinery built in the US was completed in 1976 in Garyville, Louisiana. Since then, while some existing refineries have expanded, new refinery construction has faced significant barriers in environmental regulation, permitting, and local political opposition. 1: https://en.wikipedia.org/wiki/Petroleum_refining_in_the_United_States https://en.wikipedia.org/wiki/Petroleum_refining_in_the_Unit...