Economical and cleaner cars with lean-burn catalytic converter

Dutch researcher Karen Scholz has taken a careful look at the properties of a new type of catalytic converter found in cars. For this so-called NOx Storage Reduction (NSR) catalytic converter the fuel is alternately combusted in the engine under oxygen-rich (lean) and fuel-rich (rich) conditions. Such diesel engines and 'lean-burn' petrol engines are more economical than conventional engines.

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<p><a href="http://www.physorg.com/news102868231.html">Economical and cleaner cars with lean-burn catalytic converter</a></p> <p>Dutch researcher Karen Scholz has taken a careful look at the properties of a new type of catalytic converter found in cars. For this so-called NOx Storage Reduction (NSR) catalytic converter the fuel is alternately combusted in the engine under oxygen-rich (lean) and fuel-rich (rich) conditions. Such diesel engines and 'lean-burn' petrol engines are more economical than conventional engines.</p>