Energy development on public lands and waters pumped more than $12 billion into federal coffers in 2012, $1 billion more than the previous year, according to the U.S. Department of the Interior. http://www.latimes.com/news/science/sciencenow/la-sci-sn-20121206-energy-income,0,4832619.story?track=rss
Article courtesy of The Los Angeles Times by Julie Cart