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Improving performance of 2-methylfuran as alternative SI fuel using cooled EGR

Green Car Congress

In a paper in the journal Fuel , researchers at Tianjin University report on the use of cooled EGR to improve the overall performance of 2-methylfuran (MF) as an alternative fuel. However, an appropriate level of cool EGR improved the combustion and emissions, particularly through knock suppression and reduced NO x emissions.

Fuel 199
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Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

Green Car Congress

However, the cycle results in higher HC and CO emissions due to the low in-cylinder temperature. The current development of downsized spark ignition (SI) engines with boost pressure is a proven way of increasing the thermal efficiency and reducing CO 2 emissions. In addition, the backflow results in decreased torque at low speeds.