Related by context. Frequent words. (Click for all words.) 69 particulate filter 63 diesel particulate filter 60 urea injection 60 particulate filters 59 #.# liter Duratorq 59 gas recirculation 58 aftertreatment 57 BlueTec 55 nitrogen oxide NOx emissions 54 Ti VCT 54 Selective Catalytic Reduction SCR 53 variable valve 53 diesel particulate filters 53 evaporative emissions 53 nitrogen oxides NOx 53 8 CYL 53 BLUETEC 53 Efficient Dynamics 52 R#a 52 V6 diesel 52 explosive atmospheres 52 Diesel exhaust 52 electrochemical reaction 52 ULEV 51 PRE SAFE ® 51 6 CYL 51 electro static 51 exhaust emission 51 exhaust gases 51 oxidising 51 particulate matter PM 51 nitrogen NOx 50 BlueTEC 50 Nitrogen oxides 50 #.# liter HDi 50 dry sump lubrication 50 PZEV 50 hybrid drivetrain 50 HEPA filtration 50 halogenated 50 nitrogen oxide NOx 50 centrifugal pump 50 gas recirculation EGR 50 particulate emissions 50 nitric 49 electrically driven 49 particulate matter emissions 49 Trichloroethylene 49 Particulate Matter 49 exhaust emissions 49 stainless steel exhaust 49 Hydrogen sulfide 49 combustion gases 49 hybrid powertrains 48 stoichiometric 48 conventional internal combustion 48 electrohydraulic 48 turbo diesel engine 48 Condenser 48 Dual Fuel 48 incomplete combustion 48 spark ignition 48 Hexavalent chromium 48 sulfur hexafluoride 48 produces #bhp 48 catalytic converter 48 efficiency particulate 48 NOx reduction 48 variable geometry 48 Ford EcoBoost 48 carbon disulfide 48 oxidizer 47 HFC #a 47 Emission Control 47 Refrigerant 47 desulphurisation 47 diesel exhaust 47 NOx emissions 47 nitrous oxides 47 oxidizers 47 #.#L engine 47 oxyfuel 47 Heat Exchanger 47 Supercritical 47 turbocharged diesel 47 NOx 47 UV disinfection 47 photocatalytic 47 HEPA filter 47 #/#-mpg rating 47 pollutants emitted 47 naturally aspirated engine 47 Pyrolysis 47 oven hob 46 degreasing 46 hydrocracking 46 TranSwitch Shelton CT 46 oxy fuel 46 Hybrid Concept 46 ionizer 46 twin scroll turbocharger