Nissan Diesel Motor Co. announced that it will begin next year to market heavy-duty trucks that meet standards set by new national long-term regulations for automobile emissions. The company has decided to release the new model trucks in the autumn of 2004, a year before the new regulations go into effect in October 2005.

The new regulations, said to be the most stringent in the world regarding gas emissions by diesel-powered vehicles, require reductions in the emission of particulate matter (PM) and nitrogen oxides (NOx) by 90 and 60 percent respectively, compared to current levels.

With its new-generation system utilizing an ultra-high-pressure unit injector, the company has successfully created engines with low fuel consumption and PM emissions. It has also developed a selective catalytic reduction (SCR) system using urea, a new technology that can remove NOx through the chemical reactions of catalysts that occur when urea solution is sprayed onto emission gases. Thus, the engines can attain both fuel efficiency and less NOx in the emissions of heavy trucks, for which efficiency plays a vital role.



Posted: 2003/11/05 11:17:39 AM
Japanese version

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