Related by context. Frequent words. (Click for all words.) 47 UltraCell 43 Neah Power 43 hydrogen fuel 43 biorefining 42 FreedomCAR 42 Hydrogen Fuel Cell 41 hydrogen powered 41 alternative energies 41 technological innovation 41 Shell Hydrogen 40 CALSTART 40 alternative fuels 40 PEM fuel 40 HydroGen 39 hydrogen internal combustion 39 TARDEC 39 Lithium ion 39 algae biofuels 39 hydrogen fueling 39 Renewable fuels 39 technology 38 biofuels 38 cellulose ethanol 38 renewable fuels 38 Mobion 38 cellulosic biofuels 38 Fuel Cell 38 retool factories 37 Virent 37 commercialization 37 MTI MicroFuel Cells 37 Mobion ® 37 EcoCAR 37 proton exchange 37 Cellulosic ethanol 37 Fuel Cell Partnership 37 zero emission 36 eTec 36 innovation 36 Cobasys 36 Miniaturization 36 Coda Automotive 36 hydrogen 36 DMFC 36 using BioSante patented 36 Neah Power Systems 36 SOFC 36 scientific breakthroughs 36 electric propulsion 36 PolyFuel 36 hybrid powertrains 35 NextEnergy 35 biofuel 35 Synthetic biology 35 Terrabon 35 Hydrogen Economy 35 Technological innovations 35 conventional internal combustion 35 human embryonic stem 35 CODA Automotive 35 Spintronics 35 Fuel Cells 35 Direct Methanol Fuel Cell 35 nanomanufacturing 34 innovate 34 efficient powertrains 34 IdaTech 34 Alliance AutoGas 34 Personalized medicine 34 technologies 34 cellulosic ethanol 34 Alternative Fuels 34 Advance 34 ReVolt 34 Ken Wasch 34 innovative 34 biotechnology nanotechnology 34 Sustainable Mobility 34 AuraGen 33 hybrid electric 33 battery chemistries 33 Fuel Cell Technologies 33 Hybrid Cars 33 Protonex 33 Cellulosic 33 technological innovations 33 nanotechnology 33 cutting edge 33 FCVs 33 biobased 33 Millennium Cell 33 Project Driveway 33 Alternative Fuel 33 nanotech 33 Nancy Gioia 33 renewable energy 33 prognostics 33 hydrogen refueling 33 OTEC 33 Daniel Sperling 33 propulsion systems