Related by context. Frequent words. (Click for all words.) 52 advantageous 52 economical 51 feasible 51 economically viable 49 viable 46 commercially viable 45 expensive 44 desirable 44 prohibitive 44 attractive 43 efficient 42 cheaper 42 environmentally sound 42 environmentally friendly 41 beneficial 41 profitable 40 environmentally sustainable 40 preferable 40 economically 39 alternative 39 expedient 38 cheapest 38 suitable 38 alternatives 38 environmentally responsible 38 sustainable 38 prudent 38 workable 37 defensible 37 competitively priced 37 costly 37 optimal 36 inexpensive 36 labor intensive 36 acceptable 36 problematic 36 sensible 36 vertically integrated 36 impractical 36 competitive 35 uncompetitive 35 convenient 35 logical 35 inefficient 35 ideal 35 unattractive 35 environmentally 35 advisable 35 commercially 35 competitively 34 proposition 34 reliable 34 accretive 34 affordable 34 gasification 34 privately owned 34 effective 34 illogical 34 reputable 34 sustainably 34 profitably 34 readily available 34 advantages 33 relatively inexpensive 33 easiest 33 reasonable 33 method 33 safest 33 worthwhile 33 rational 33 tendering 33 subsidizing 33 carbon neutral 33 operationally 33 unwise 32 untenable 32 option 32 greenest 32 financially 32 useable 32 counter productive 32 equitable 32 foolish 32 environmentally sensitive 32 burdensome 32 mutually beneficial 32 palatable 32 biomass 32 unworkable 32 unsuitable 32 usable 32 greenfield 32 feedstock 32 RFP 32 healthiest 32 decentralized 32 doable 32 therefore 32 optimum 32 environmentally conscious 31 ecologically