.@EPAgov: Mid-Atlantic air pollution down thanks in part to #NaturalGas via @AP http://t.co/ylDlgYgd #Marcellus #HydraulicFracturing
.@EPAgov: Mid-Atlantic air pollution down thanks in part to #NaturalGas via @AP http://t.co/ylDlgYgd #Marcellus #HydraulicFracturing