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Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

Green Car Congress

liter opposed-piston, gasoline compression ignition engine applicable to large passenger vehicles, pick-up trucks, SUVs and minivans. Once widely used for a range of applications—ground, marine and aviation—the conventional opposed-piston two-stroke (OP2S) engine suffered from poor emissions and oil control.