The tornadoes that tore through the South last week also temporarily shut down seven oil...

|By:, SA News Editor

The tornadoes that tore through the South last week also temporarily shut down seven oil refineries, exacerbating supply strains and providing yet another boost to fuel prices across the U.S. The national average for regular gasoline reaches $3.952/gallon, up from $3.863 a week ago, AAA reports; 13 states surpass $4.