The Obama administration’s 2015 fracking rule was never actually implemented, thanks to an ongoing court battle, and it apparently never will be. The Interior Department published a final rule Friday in the Federal Register repealing immediately the hydraulic-fracturing regulation on federal lands, saying that “we believe it imposes administrative burdens and compliance costs that are not justified.”
https://m.washingtontimes.com/news/2017/dec/31/trump-administration-kills-obama-era-fracking-rule/