Related by context. Frequent words. (Click for all words.) 42 Peabody Energy 41 CONSOL 41 Arch Coal 39 coal gasification 39 American Railcar Industries 38 Westmoreland Coal 38 Equitable Resources 37 Whiting Petroleum 37 Cimarex Energy Co. 37 Patriot Coal 37 MDU Resources Group 36 Synthesis Energy 36 Holcim Ltd. 36 FreightCar America 36 Sunoco Logistics 35 Baldor Electric 35 Westlake Chemical 35 MDU Resources 35 CNX Gas 35 BNSF Railway 35 Rentech 35 coal 35 EQT Corporation 34 Newfield Exploration 34 NuStar Energy 34 Consol Energy 34 Powder River Basin 34 Exco Resources 34 Petrohawk Energy 34 Surface Mine 34 Ameren 33 KFx 33 Engineered Support 33 Coal 33 AmerenUE 33 Shenhua Group 33 KAL Energy 32 Cheniere Energy 32 Cimarex Energy 32 Magnum Hunter Resources 32 BNSF 32 CVR Energy 32 Arch 32 Coal Mine 32 Oglebay Norton 32 Inc. NYSE DYN 32 NYSE CMI 32 Greenbrier Companies 32 Brush Engineered Materials 32 Kinder Morgan 32 NYSE PCX 31 PBS Coals 31 NYSE ACI 31 Emerson Electric 31 Nalco 31 AMCOL International 31 Koppers Holdings Inc. 31 NYSE CNX 31 NYSE BTU 31 FutureGen Alliance 31 AEP 31 Stillwater Mining Company 31 Energizer Holdings 31 Wabtec 31 Norfolk Southern 31 Clarcor 31 Questar Corp. 30 coal miner 30 NYSE EMR 30 Commerce Bancshares 30 Marathon Oil 30 Peabody 30 GMX Resources Inc. 30 Alpha Natural Resources 30 Wyoming Powder River 30 NYSE FE 30 Steel Dynamics 30 Exelon Nuclear 30 China Huaneng 30 CSX 30 Stillwater Mining 30 Cleveland Cliffs 29 Cimarex 29 Range Resources 29 Gujarat NRE 29 coal fired 29 Xcel Energy NYSE XEL 29 Jeff Gillenwater 29 OGE Energy 29 Intrepid Potash 29 valley fills 29 Burlington Northern 29 Exelon 29 UMWA 29 ExpressJet Holdings Inc. 29 Intrepid Potash Inc. 29 ArcelorMittal 29 RWE AG 29 Avista Corp. 29 NYSE ANR 28 Consol