Is The U.S. Shale Boom Over? Four Major Threats To The Fracking Revolution (investors.com)
The U.S. is awash in cheap shale oil and gas. After decades of declining U.S. oil output, the fracking revolution unlocked vast oil and gas deposits and made America the world's No. 1 oil producer. Yet just as Americans have begun to take cheap energy for granted, the U.S. shale boom's next act looks uncertain. Political, financial, technological and geological pressures are closing in.