Related by context. Frequent words. (Click for all words.) 55 synfuels 55 Syngas 51 synfuel 50 synthetic fuels 46 Integrated Gasification Combined Cycle 46 Fischer Tropsch 45 coal liquefaction 45 Energen Resources 45 ProLiance 44 gasification 44 Olefins 43 Natural Gas 43 coal gasification 43 natural gas 43 Gasification 43 DCP Midstream Partners 43 Syntroleum 43 Geothermal Power 42 Cheniere Energy 42 W2 Energy 42 Refining 42 coal 42 Total Petrochemicals 42 Hydrogen 42 EOR 42 Cogeneration 41 Energen 41 Uranium 41 Exco Resources 41 Dynamotive 41 Production Enhancement 41 Alter NRG 41 TEPPCO Partners LP 41 IGCC plant 41 GeoPetro 41 methanol 41 MegaWest 41 plasma gasification 41 Denbury Resources 40 Oil Shale 40 NGL 40 BioFuels 40 Coal 40 IGCC 40 Condensate 40 Petroleum 40 nat gas 40 Sasol 40 Energy 40 Proved Reserves 40 Columbia Gas Transmission 40 Lurgi 40 MMgy 40 Rentech 40 VAALCO Energy 40 hydrometallurgical 40 Equistar 40 Biofuels 40 Petrosearch 40 cubic feet equivalent Bcfe 40 Natural Gas Liquids 40 ethylene 40 ExxonMobil 40 NGPL 40 MarkWest 39 CCTI 39 Geothermal 39 FutureGen 39 Petrohawk Energy 39 biodiesel 39 hydrocracker 39 Tenaska 39 Luminant 39 Cellulosic Ethanol 39 Feedstock 39 Microgy 39 NZ Refining 39 feedstock 39 TEPPCO 39 Oil Sands 39 Frontera Resources 39 waterflood 39 Maritech 39 Nextraction 39 Huaneng 39 Biochar 39 ZeaChem 39 gasifier 39 Westech 39 OTEC 38 Hydrogen Economy 38 styrene monomer 38 Resource Partners LP 38 Petsec 38 Mining 38 N Viro Fuel 38 depreciation depletion 38 Liquefied Natural Gas 38 Petrochemical 38 BioOil 38 Coalbed Methane