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    « Schwarzenegger Attacks Ethanol Tariffs, Subsidies | Home | Different Roads To Eco-Friendly Vehicles »

    HCCI – Ignition Technology To Reduce Emissions In Diesel And Gas Engines

    By Mr Ethanol | May 22, 2007

    shaver-camdrive.jpg

    TrendHunter:
    Scientists at Purdue University are developing an environmentally friendly technology called homogeneous charge compression ignition (HCCI), which will reduce greenhouse emissions commonly associated with combustion engines. HCCI technology can be applied to both diesel and gasoline engines, will increase engine performance and efficiency, reduce fuel consumption, and help to clean up the environment.

    Currently, scientists at Purdue are building a multi-cylinder “fully-flexible variable valve actuation” Prototype.

    Conventional engines run as a unit in which pistons turn a crankshaft and this causes valves to open and close, directing air and fuel into the engine’s cylinder and exhaust out. The new strategy dubbed “variable valve actuation” would decouple the motion of the piston from the motion of the intake and exhaust valves. That means engineers could regulate on a fine scale precisely how much air and fuel gets sucked into the engine and the output. “It’ll allow us to make both diesel and gasoline engines both cleaner and more efficient, because we’ll have more direct control over the valves,” Shaver said.

    Topics: Cars, News |


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