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Caterpillar's Emissions Reduction Technology

Peoria, IL- Caterpillar Inc. has won a contract to supply the Boston Public School District with technology that will reduce diesel particulate emissions on school buses by more than 90 percent. The agreement highlights a growing business opportunity in North America to "retrofit" existing engines with technology that reduces emissions and extends the life of diesel-powered equipment such as school buses, trucks, mining and construction machines and marine vessels.

School buses with the Caterpillar technology were reviewed in Milford, Mass. by officials from the U.S. Environmental Protection Agency, EPA's New England regional office and Caterpillar group president Richard L. Thompson.

"As the world leader in emissions reduction technology, we are very pleased to be a part of this important school bus program in Boston," said Thompson, Caterpillar group president with responsibility for the company's engine division. "We recently formed a new group, the Caterpillar Emissions Retrofit Solutions Team, to provide retrofit solutions for machines, trucks and buses used in both on-and-off road applications. Reducing the emissions of existing diesel engines is a critical step toward meeting the clean air goals that we all support."

The contract with Boston Public Schools calls for Southworth-Milton, the independent Caterpillar dealer serving the Boston area, to install Caterpillar retrofit technology that substantially reduces emissions and improves the efficiency of school buses. The engines met EPA regulations when they were manufactured, but improvements in retrofit technology can now reduce emissions levels even further.

The Caterpillar technology includes diesel particulate filters that are installed on Caterpillar engines already powering the school buses. The filters, which require the use of ultra-low sulfur fuel, remove fine particulate matter from the exhaust. The low emission technology is installed at Caterpillar dealers and the school buses are soon back in service.

Caterpillar has reduced on-highway diesel emissions in trucks and buses by nearly 90 percent since 1988 and will reduce those emissions another 90 percent by 2007.