Some people in Oklahoma and Texas decided they didn't want fracking rigs in their back yards polluting their property. Big oil and the politicians they've bought decided that these people just don't know what's right for them, and crammed their policies down their throats.
http://www.npr.org/2015/05/26/40967...s-pass-measure-preventing-local-fracking-bans
http://www.npr.org/2015/05/26/40967...s-pass-measure-preventing-local-fracking-bans