Related by context. Frequent words. (Click for all words.) 50 Marcellus Shale formation 47 Marcellus Shale 47 Scarnati 46 Clean Water Action 45 PennFuture 44 Marcellus shale 44 hydrofracking 44 hydraulic fracturing 44 drillers 43 Gov. Ed Rendell 43 Manufacturers Alliance MAPI 43 fracking 43 NPRA 42 Executive Dan Onorato 41 Renewable Fuels Association 41 Gov. Rendell 40 Rendell 40 DEP 40 natural gas 40 BOEMRE 40 Gas Drilling 40 Fracking 39 Governor Ed Rendell 39 AdvaMed 39 Manchin 39 Tom Corbett 39 Onorato 39 Gasland 39 Range Resources 39 Governor Rendell 39 offshore drilling 39 CNX Gas 38 Pennsylvanians 38 Sierra Club 38 PhRMA 38 Marcellus 38 shale gas 38 Appalachian Basin 38 AGIA 38 UMWA 37 Trout Unlimited 37 Gov. Jack Markell 37 Business Roundtable 37 Gov. Sean Parnell 37 oilsands 37 mountaintop mining 37 Chesapeake Energy 37 reimportation 37 Wildlife Federation 37 AWEA 36 DCNR 36 DeGette 36 PIRG 36 Dan Onorato 36 Freudenthal 36 Grocery Manufacturers Association 36 Gov. Joe Manchin 36 Fayetteville Shale 36 MarkWest 36 Pembina Institute 36 Burzichelli 36 PPL Montana 36 Public Citizen 36 mountaintop removal mining 36 AMPTP 36 Consol Energy 35 drilling 35 coalbed methane 35 Associated Industries 35 DW.Va. 35 Gov. Dave Freudenthal 35 Eachus 35 Pharmaceutical Research 35 oil sands 35 Chief Executive Dan Onorato 35 Outer Continental Shelf 35 DeWeese 35 Franchot 35 Barnett Shale 35 Kanjorski 34 National Pork Producers 34 AHIP 34 Biehler 34 Rep. Henry Waxman 34 NYRI 34 Conservation Voters 34 ODNR 34 BP PLC 34 Rahall 34 AFL CIO 34 MSHA 34 deepwater drilling 34 Altmire 34 North Slope 34 Consumer Electronics Association 34 mountaintop removal 34 NJEA 34 Encana 34 coal 34 PLCB 34 mercury emissions