Related by context. Frequent words. (Click for all words.) 63 compression ignition 60 turbocharged engines 60 conventional internal combustion 58 internal combustion 58 combustion 57 internal combustion engines 57 variable valve 56 induction motors 56 internal combustion engine 56 cylinder deactivation 55 gas recirculation 55 gearless 54 twin turbochargers 54 combustion engine 54 turbo diesel engine 54 venturi 53 turbocharging 53 turbodiesel engine 53 #.# liter HDi 53 Twin Turbo 53 aftertreatment 53 hybrid powertrains 53 cylinder turbo 53 Piezo 53 intercooled 53 diesel engines 53 solenoid valves 53 DSG transmission 53 gas recirculation EGR 53 turbo 52 V6s 52 #PS [001] 52 CVT transmission 52 diesel particulate filter 52 piston engine 51 V6 petrol 51 piezo 51 ECUs 51 BlueEFFICIENCY 51 hybrid drivetrain 51 transmission CVT 51 particulate filter 51 AuraGen 51 Selective Catalytic Reduction SCR 51 Ford EcoBoost 51 electric drivetrain 51 CVTs 51 cylinder 51 turbocharged diesel 51 stepper motors 51 dual clutch gearbox 51 combustion chambers 51 compressed hydrogen 50 combustor 50 electric powertrain 50 electrolyzer 50 gaseous fuels 50 cylinder diesel 50 electric motor 50 BlueTec 50 turbos 50 powerplants 50 torque vectoring 50 automated manual transmission 50 turbo diesel 50 cyl 50 turbocharged 50 valvetrain 50 #.#L engine 50 High Intensity Discharge 50 antilock braking system 50 hydrogen internal combustion 50 hydraulic steering 50 5kW 49 diesel engine 49 turbo chargers 49 hybrid powertrain 49 reciprocating engines 49 rotary engine 49 liquid cooled 49 electro hydraulic 49 solenoids 49 NOx reduction 49 #.#L V 49 DOHC 49 particulate filters 49 pulse width modulation PWM 49 ionisation 49 TDI diesel 49 #.#L V8 49 intercoolers 49 electric propulsion 49 dual overhead cam 49 8 CYL 49 Audi e tron 49 electrochemical reaction 49 combustion chamber 49 #.#L [001] 49 #hp #kW [002] 49 turbocharged engine 49 manual gearbox