Related by context. Frequent words. (Click for all words.) 76 electric motor 71 motors 62 combustion engine 59 actuators 56 gearboxes 56 electrically powered 55 turbochargers 55 electric propulsion 54 diesel engines 54 internal combustion engines 54 internal combustion 54 electric powertrain 53 combustion engines 53 lithium ion batteries 53 diesel engine 53 lithium ion battery 52 pistons 52 inverter 52 internal combustion engine 52 camshafts 52 turbocharger 52 flywheels 51 battery powered 51 propulsion 51 electric 51 cylinder engines 51 compressors 50 #kW [001] 50 continuously variable 50 kW 50 torque converter 50 hydraulic 50 alternator 50 alternators 50 turbos 50 hybrid electric 50 flywheel 49 cylinder engine 49 drivetrain 49 ultracapacitors 49 turbocharging 49 cylinder diesel 49 engines 49 turbine engines 49 turbine generator 49 speed automatic gearbox 49 turbines 48 hydraulics 48 torque 48 supercharger 48 actuator 48 solenoid 48 servo 48 powertrain 48 batteries 48 battery packs 48 automatic transmissions 48 fuel injectors 48 diesel powered 47 regenerative braking 47 #VDC [001] 47 turbine 47 powertrains 47 hybrid powertrain 47 shock absorbers 47 lithium ion 47 capacitors 47 wind turbines 46 nickel metal hydride 46 generators 46 powerplants 46 capacitor 46 variable valve timing 46 liquid cooled 46 #kW [003] 46 diesel generators 46 Li ion battery 46 manual transmissions 46 piston 46 camshaft 46 hp 46 volt battery 46 Li ion batteries 46 horsepower 46 rear wheels 46 rotary engine 46 propellers 45 rotors 45 naturally aspirated 45 driveline 45 #hp [001] 45 axles 45 volt 45 wind turbine blades 45 steam turbines 45 inverters 45 automatic transmission 45 pulleys 45 rotor 45 #V [001] 44 solar panels