| 摘要 |
A powertrain system for a vehicle includes an engine having a plurality of engine cylinders each having an inlet port and an exhaust port, an intake manifold in fluid communication with the inlet ports of each of the engine cylinders of the engine, and a forced induction system coupled to the engine increasing an intake pressure of air in the intake manifold above ambient pressure. The powertrain system also includes a fuel delivery system supplying fuel to each of the engine cylinders of the engine. The fuel delivery system includes at least one fuel injector per engine cylinder, a fuel tank storing fuel having an intermediate-RON, and an on-board separator separating the fuel into a high-RON component and a low-RON component. The high-RON component and the low-RON component are delivered to each of the engine cylinders of the engine based on an engine operating parameter.
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