Related by context. Frequent words. (Click for all words.) 56 rotary engine 56 Gottlieb Daimler 53 Rinspeed 53 rear engined 52 Ultimate Aero 51 Ferdinand Porsche 51 E# M3 51 hybrid drivetrain 51 AC Propulsion 50 electrically driven 50 grand tourer 50 Lotus Engineering 50 brushless motor 49 electric powertrain 49 Stanley Steamer 49 XL1 49 spark ignition 48 electric drivetrain 48 hybrid powertrain 48 Giugiaro 48 prototype 48 Ovshinsky 48 e tron 48 piston engine 48 turbocharged engines 48 CVTs 48 EDAG 48 Acura NSX 47 combustion engine 47 metal hydride 47 turbofan engine 47 EcoMotors 47 #cc engine 47 internal combustion 47 Buckeye Bullet 47 Valmet 47 compression ignition 46 Wiesmann 46 powerplant 46 Karl Benz 46 aerodynamicist 46 electric propulsion 46 WiTricity 46 MultiAir 46 hybrid propulsion 46 liter V8 46 V8 engine 46 #EX [001] 46 hybrid powertrains 46 thermoelectrics 45 diesel engine 45 Microbus 45 conventional internal combustion 45 internal combustion engine 45 BlueTec 45 petrol engined 45 fuel injector 45 diesel powered 45 microcar 45 magneto 45 prototyped 45 Murciélago 45 Fiat Powertrain Technologies 45 powerplants 44 Wernher von Braun 44 #mpg [001] 44 dry sump 44 Pininfarina 44 cleanest diesel 44 cc engine 44 Hemi engine 44 diesel engined 44 4 cyl 44 EV Innovations 44 Audi R# 44 Ariel Atom 44 carbureted 44 H2GO TM 44 Carrera GT 43 RAV4 EV 43 electrolyzer 43 Audi e tron 43 coupés 43 #.#L engine 43 X6 M 43 Valmet Automotive 43 BioPower 43 Mercedes SLS AMG 43 turbo diesel engine 43 Bluetec 43 liter turbocharged engine 43 hydrogen internal combustion 43 Ford EcoBoost 43 twin turbocharged 43 AuraGen 43 Henrik Fisker 43 produces #bhp 43 roadster 43 Modec 43 turbo diesel 43 codeveloped