 In February 2011, he voted against a measure to reinstate royalties assessed for oil drilled when oil prices are high.In March, April, and May 2011, he voted against measures that would have allowed consideration of legislation to eliminate tax breaks for oil companies and promote production and use of alternative energy sources.The League of Conservation Voters gave Paul a pro-environment voting-record score of 6% for 2011, and 0% for 2009–2010.