!--StartFragment-->

If all federal lands not open to drilling were freed up, the ensuing rush of energy production could contribute $20.7 trillion to the nation's economy in less than four decades.

Joe Mason, a banking professor at Louisiana State University and a senior fellow at the Wharton Business School, determined opening all federal lands to oil, gas and coal production — including national parks and monuments — would be a massive stimulus to the nation's economy.

Read more on WashingtonExaminer.com