Related by context. Frequent words. (Click for all words.) 51 economically feasible 50 technically feasible 48 technologically feasible 47 feasible 45 economically viable 44 economically advantageous 41 commercially viable 40 environmentally sound 39 economically unfeasible 38 tenable 38 plugin document.write 37 landfilling 37 carbon capture 37 fossil fuel 37 uneconomic 37 carbon sequestration 37 fossil fuels 37 supportable 37 defensible 36 fundable 36 environmentally harmful 36 viable 36 environmentally damaging 36 GHG emissions 36 rational 36 polluter pays 36 acceptable 36 uneconomical 35 GHG reduction 35 carbon emission reductions 35 economically recoverable 35 economical 35 reasonable 35 greenhouse gas emission reductions 35 GHGs 35 biofuels 35 trans Caspian 35 CO2 emissions 35 scientifically valid 35 thorium 35 CO2 35 emission reductions 35 environmentally benign 34 alternative fuels 34 actuarially sound 34 plausible 34 landfilled 34 sensible 34 sustainable 34 reduce greenhouse gas 34 alternative energies 34 infeasible 33 greenhouse gas GHG emissions 33 sequester carbon 33 environmentally sustainable 33 financially feasible 33 unsustainable 33 GHG emission 33 commercially feasible 33 carbon dioxide emissions 33 morally indefensible 33 economically unviable 33 carbon emissions 33 environmentally responsible 33 greenhouse emissions 33 carbon emitted 33 bio fuels 33 unfeasible 33 created Benzinga Pro 33 greenhouse gases 33 reducing CO2 emissions 32 reduce carbon emissions 32 financially viable 32 costless 32 recoverable 32 greenhouse gasses 32 renewable energies 32 warming gases 32 crop residues 32 cross subsidization 32 morally wrong 32 offsets 32 potable 32 Outperform recommendation 32 achievable 32 equitable 32 mutually advantageous 32 producible 32 biofuel 32 cellulosic ethanol 32 justifiable 32 reinvestment 32 legally mineable 32 PUDs 32 coal liquefaction 32 preferable 32 reinvested 32 statistically valid 32 subsidization 32 advantageous 32 workable