Mazda
| SISS (Smart Idle Stop System) |
| Mazda's SISS idle stop system restarts the engine without using an electric motor. The system injects fuel directly into the cylinders while the engine is stationary and ignites the fuel to create downward piston force that serves to start the engine, resulting in fuel savings of about 10% in Japan's 10-15 mode in addition to restarting the engine more quickly and quietly than a conventional idle-stop system. |
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