Related by context. Frequent words. (Click for all words.) 70 SmartGauge 52 Hybrid Synergy Drive 50 Hybrid 49 FlexFuel 49 Lexus RX#h 49 electric drivetrain 49 Hybrid Concept 48 hydrogen internal combustion 48 eStar 48 Ford EcoBoost 48 BlueTec 48 Efficient Dynamics 48 Escalade Hybrid 48 ECOnetic 48 efficient powertrains 48 urea injection 47 Sonata Hybrid 47 #.#L diesel 47 smart fortwo electric 47 C MAX Energi 47 Prius Plug 47 vehicles HEVs 47 Saturn VUE 47 ecoFLEX 47 Fuel Efficient 47 hybrid powertrains 47 EcoBoost engines 46 BMW Vision EfficientDynamics 46 Alfa Romeo MiTo 46 Tahoe Hybrid 46 TwinAir 46 hybrid drivetrain 46 Chevrolet Tahoe Hybrid 46 Touareg Hybrid 46 hybrid 46 BMW EfficientDynamics 46 eAssist 46 Fuel Cell Vehicle 46 Escape SUV 46 Flex crossover 46 HYbrid4 45 BlueOn 45 BlueEFFICIENCY 45 cleanest diesel 45 conventional internal combustion 45 BMW ActiveE 45 #.# liter Duratorq 44 Mariner Hybrid 44 HUMMER H3 44 Lincoln MKS sedan 44 CALSTART 44 MARK PHELAN 44 Buick Verano 44 Altima Hybrid 44 TDI diesel 44 #.#L engine 44 electric powertrain 44 hybrid powertrain 44 Mode Hybrid 44 #.#L I4 #V DOHC 44 Turbo Diesel 44 Lincoln MKZ Hybrid 44 Urban Cruiser 43 V6 engines 43 speed automatics 43 Chrysler Sebring sedan 43 Theta II 43 Honda FCX 43 Hybrid Vehicles 43 Hydrogen Fuel Cell 43 Active Steering 43 Ford Fiesta subcompact 43 Smart fortwo 43 ePower 43 Outlander Sport 43 V2V 43 Lexus RX #h 43 Inizio 43 propane autogas 42 Chevy Volt plug 42 Infiniti G# Coupe 42 Chevrolet Equinox crossover 42 A3 TDI 42 Megacity Vehicle 42 C Crosser 42 Escape Hybrid 42 XEBRA 42 8 CYL 42 electrically driven 42 Xebra 42 notchback 42 engine mated 42 S# Hybrid 42 Hybrid Vehicle 42 Sky roadster 42 Bluetec 42 Sustainable Mobility 42 turbo diesel 42 Ford Escape Hybrid 42 ActiveE 42 Toyota Prius Plug