. "Gasoline direct fuel injection" . "direct-injection gasoline" . . . . . "TFSI" . "direct injection systems" . . . . . "fuel stratified injection" . . . "direct-injection" . "''GDi''" . . . "Spark Ignition Direct Injection" . "DISI" . . "Direct fuel injection" . . "fuel injection" . "gasoline injection" . . "direct injected" . . "FSI (Fuel Stratified Injection)" . "direct injection spark ignition" . "direct-injected engines" . . . "fuel injected" . . . "D-4S" . . . "mechanical direct injection" . . "Direct Injection" . . "Direct Petrol Injection" . "Fuel Stratified Injection (FSI)" . . "''DI''" . "gasoline direct-inject" . . "two-stroke fuel injection" . . . . "Direct-injection" . . "petrol injected engine" . . "Gasoline direct injection" . . "D-4 direct injection" . "D4-S direct and port injection" . "direct-fuel injected" . . "GTDI" . . . . . "GDi" . . "mechanical direct fuel injection" . "Spark Ignition Direct Injection (SIDI)" . "Fuel Stratified Injection" . . . . "Direct Cylinder Fuel Injection" . "gasoline direct injected (GTDI)" . "D-4 (IS250) or D-4S (IS350 and IS F) direct injection" . . . . "petrol direct injection" . . "direct fuel injection system" . "Gasoline Direct Injector (GDI)" . "direct injection system" . . . . "direct injection." . . . . . "DIG" . . "HPI" . . . "TSI" . . "Direct injection" . "DI" . . . . . . "direct fuel injection" . "Gasoline Direct Injection" . . . . "D4-S direct injection" . "direct-injected" . . "SIDI" . "FSI" . "direct injection IDE" . "SI" . . "''GDI''" . . "D4 direct-injection" . "Direct Fuel Injection" . . "gasoline direct injection" . . . . "direct" . "fuel-injected" . "Direct Injection Spark Ignition (DISI)" . . . "petrol direct injector" . . "gasoline" . . . "direct-injection engine" . "gasoline direct injected" . . "direct injection" . "Gasoline direct injection" . . . . "GDI" . "D4 direct injection" . . . . "Direct injection and Multi-Port injection" . . . . "IDE" . . . "gasoline direct fuel injection" . . "Gasoline direct injection (GDI)" . . . . . "D-4S direct injection" . "petrol FSI" . . . . . . . . . . . "Direct injected" .