Related by context. Frequent words. (Click for all words.) 45 alternative fuels 44 gas guzzling SUV 43 fuel 43 diesel 43 gas guzzling SUVs 42 gasoline 42 fuels 42 biodiesel 41 diesels 40 biofuels 40 polluting fossil fuels 40 biodiesel blends 39 Civic GX 39 ethanol 38 corn ethanol 38 thriftier 38 hybrids 38 diesel fuel 38 alternative energies 38 hybrid 37 bio diesel 37 CAFE standards 37 biofuel 37 gasohol 37 environmentally friendlier 37 skyrocketing 37 ecologically friendly 37 liquefied coal 37 bio fuels 36 hydrogen powered 36 compressed natural 36 boondoggle 36 gas guzzling 36 SUVs 36 soy biodiesel 36 electric hybrid 36 hydrogen fuel 36 automobiles 35 byproduct 35 nat gas 35 internal combustion engine 35 Unleaded gasoline 35 PHEV 35 gas guzzler 35 oversimplifies 35 Fuel surcharges 35 EVs 35 gas guzzling vehicles 35 prices 35 flex fuel 34 bio ethanol 34 biobutanol 34 diesel engines 34 mass transit 34 ethanol blends 34 environmentally friendly 34 boondoggles 34 Honda Civic hybrid 34 Daniel Sperling 34 gas guzzling trucks 34 Chevy Volt 34 mileage 34 cellulosic biofuel 34 electric drivetrain 34 HEVs 34 diesel powered 34 hypermiling 34 counterintuitive 34 thirstier 34 pickups SUVs 34 backfiring 34 costs 33 hydrogen 33 curbing greenhouse gases 33 self fulfilling prophesy 33 Fischer Tropsch 33 fueling 33 cleaner burning 33 synthetic fuels 33 Subsidizing 33 E# ethanol 33 Tyson Slocum 33 bioethanol 33 gas guzzlers 33 feedstocks 33 gallon 33 politically unpalatable 33 Laskoski 33 #/barrel [001] 33 cellulosic feedstocks 33 outrageously expensive 33 FFVs 33 proton exchange 33 exhaust emission 33 environmentally conscious 33 See Futures Movers 33 low sulfur diesel 33 NGVs 33 fuel additive 33 Revving 33 renewable fuels