Related by context. Frequent words. (Click for all words.) 30 alternative 30 alternatives 29 viable 27 alternate route 27 unsuccessful 25 alternative fuels 24 seeking 24 riskier 24 economically viable 24 tried 24 substitute 23 desperate 23 attempted 23 workable 23 diversify 23 cleaner 22 attempting 22 tried unsuccessfully 22 feasible 22 unable 22 substitutes 22 safest 22 ditch 21 renewable energy 21 safer 20 environmentally sound 20 narrowly defeated 20 financially viable 20 Attempts 20 silver bullet 20 attempt 20 sought 20 environmentally friendly 20 magic bullet 20 risky 20 efficacious 20 nontraditional 19 ran unsuccessfully 19 environmentally sustainable 19 valiant 19 unconventional 19 renewable 19 oust 19 Efforts 19 unopposed 19 unlikely 19 persuaded 19 effort 19 uphill battle 19 environmentally responsible 19 cheaper 19 economical 19 deadlocked 18 stopgap 18 sustainable 18 efficient 18 refused 18 exhausted 18 hesitant 18 inexpensive 18 aggressive 18 avenue 18 undaunted 18 methods 17 petitioning 17 resisting 17 resuscitate 17 Alternative 17 forced 17 alternate 17 unresponsive 17 spearheading 17 efforts 17 commercially viable 17 abandoning 17 uncooperative 17 Alternatives 17 exploratory 17 replacement 17 failed 17 unsuccessfully 17 fallback 17 solicited 16 repeated requests 16 innovative 16 amicable 16 unseat 16 spearheaded 16 optimal 16 untenable 16 greener 16 terminated 16 expedient 16 equitable 16 persuade 16 environmentally 16 longshot 16 attempts 15 Longer term 15 compromise 15 floundering