Related by context. Frequent words. (Click for all words.) 50 electric drivetrain 50 hybrid powertrain 50 rotary engine 49 Hybrid Synergy Drive 48 Tesla Roadster 48 hydrogen powered 48 FCX Clarity 48 MINI E 47 combustion engine 47 #Li 47 compact hatchback 47 Audi R# 46 hybrid drivetrain 46 Smart fortwo 46 Chevy Volt 46 EcoBoost engine 46 BMW #d 46 Fortwo 46 Hydrogen 46 BlueMotion 46 turbodiesel 45 Mazdaspeed 45 Bluetec 45 liter turbocharged engine 45 Mitsubishi i MiEV 45 Fisker Karma 45 flex fuel 45 PHEV 45 liter turbodiesel 45 BMW 45 Lexus RX #h 45 Hybrid 45 Toyota Camry Hybrid 44 electric powertrain 44 Lithium ion 44 #.# liter HEMI 44 Toyota Prius 44 E# ethanol 44 Escape Hybrid 43 cylinder deactivation 43 e tron 43 smart fortwo 43 Mercedes Benz SLS AMG 43 BLUETEC 43 liter V# 43 internal combustion engine 43 hybrid electric 43 EVs 42 Ampera 42 Lithium Ion 42 FFVs 42 electrically driven 42 Chevrolet Volt 42 HEVs 42 turbo diesel 42 hybrid 42 Litre 42 internal combustion 42 zero emission 42 Ford Escape Hybrid 42 Audi A1 42 Highlander Hybrid 42 hybrid propulsion 42 Nissan LEAF 42 cc engine 42 compressed hydrogen 41 diesel engine 41 Smart ForTwo 41 turbocharged engines 41 diesel powered 41 hybrid Prius 41 SLS AMG 41 Roadster 41 #.#L engine 41 electric propulsion 41 conventionally powered 41 Dodge Challenger SRT8 41 powertrains 41 Audi 41 Evoque 41 lithium polymer battery 41 Volt 41 #g/km [001] 41 turbocharged engine 41 Toyota Prius hybrid 41 Fusion Hybrid 41 particulate filter 41 Flex Fuel 40 powerplants 40 cylinder diesel 40 Chrysler #C 40 automatic gearbox 40 Transit Connect Electric 40 Li ion battery 40 Tesla 40 Chevrolet Volt electric 40 compressed natural 40 twin turbocharged 40 i MiEV 40 coupé 40 diesels