<P> Petroleum refining in the United States in 2013 produced 18.9 million barrels per day of refined petroleum products , more than any other country . Although the US was the world 's largest net importer of refined petroleum products as recently as 2008 , the US became a net exporter in 2010 , and in 2014 was the largest exporter and the largest net exporter of refined petroleum . As of January 2015 , there were 137 operating refineries in the US , distributed among 30 states . </P>
<P> Petroleum refining in the United States in 2013 produced 18.9 million barrels per day of refined petroleum products , more than any other country . Although the US was the world 's largest net importer of refined petroleum products as recently as 2008 , the US became a net exporter in 2010 , and in 2014 was the largest exporter and the largest net exporter of refined petroleum . As of January 2015 , there were 137 operating refineries in the US , distributed among 30 states . </P>
number of oil refineries in the united states
number of oil refineries in the united states
137
137