Related by context. Frequent words. (Click for all words.) 62 compression ignition 61 hybrid drivetrain 61 combustion engine 60 spark ignition 60 hybrid powertrains 59 #.# liter HDi 59 combustion 58 cylinder deactivation 58 particulate filter 57 turbodiesel engine 57 variable valve 56 conventional internal combustion 56 fuel injector 56 V6 diesel 56 BlueTec 55 electric drivetrain 55 hybrid powertrain 55 manual gearbox 55 CVTs 54 internal combustion engine 54 particulate filters 54 electric powertrain 54 diesel particulate filter 54 BlueMotion 54 brushless motor 53 combustion chamber 53 turbocharged engines 53 dry sump 53 internal combustion engines 53 V6s 53 valvetrain 52 Audi e tron 52 Bluetec 52 MultiAir 52 evaporative emissions 52 aftertreatment 52 turbocharged engine 52 twin turbochargers 52 EcoBoost engine 52 XL1 52 BlueEFFICIENCY 52 turbo diesel engine 52 #.#L engine 52 ECUs 52 halogenated 52 eAssist 52 V6 petrol 51 #.# liter Duratec 51 electrically driven 51 Panamera S 51 Converj 51 i VTEC 51 reactants 51 8 CYL 51 turbo lag 51 #.# liter SOHC 51 #.#litre 51 AuraGen 51 RS5 51 physiologically relevant 51 oxidant 51 4Matic 51 combustion engines 51 dual clutch gearbox 51 CT#h 51 Direct Shift Gearbox 51 liter turbo engine 51 Panamera Turbo 51 CVT transmission 51 #kW/#Nm [001] 51 liter i VTEC 51 electrochemical reaction 51 carbureted 50 e tron 50 S tronic 50 turbocharging 50 airflows 50 biobutanol 50 #mpg [001] 50 Evo X 50 ionisation 50 internal combustion 50 normally aspirated 50 Audi R# 50 liter turbodiesel 50 BMW EfficientDynamics 50 exhaust emission 50 torque converter 50 liter naturally aspirated 50 hydrocracking 50 DSG transmission 50 turbodiesel 50 electrolyzed water 50 lithium ion polymer 50 V6 engines 50 Hybrid Concept 50 butanol 50 turbocharger 50 gaseous fuels 50 turbo diesel 50 BMW ActiveE