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Detroit Diesel Corporation and Turbodyne apply for EPA certification

13 August 1997

Detroit Diesel Corporation (DDC) announced today that DDC and a subsidiary of Turbodyne Technologies Inc. ("Turbodyne") submitted an application on 16 July 1997, to the United States Environmental Protection Agency for certification under the Urban Bus Retrofit/Rebuild Program at the 0.10 g/bhp-hr particulate emission level. The application includes all mechanical unit injection 6V92 engines manufactured between 1979 and 1989.

DDC and Turbodyne have responded to the challenge of providing a cost-effective means of complying with the EPA rebuild regulations, with minimal impact on the fundamental engine and its performance. The DDC/Turbodyne kit includes parts traditionally replaced at time of overhaul, together with a Turbopac(R) electric supercharger and a catalytic converter. Manufactured by Turbodyne, the Turbopac supercharger supplies positive air intake pressure at acceleration to optimize the fuel/air ratio. The Turbopac mounts between the air inlet side of the turbo and the air cleaner. Test data for a rebuilt DDC 6V92 using the DDC/Turbodyne kit shows a reduction of particulate emissions to 0.09 g/bhp-hr.

DDC and Turbodyne intend to offer the package on complete reliabilt(R) factory remanufactured engines, reliabilt long blocks and rebuild kits that the customer can install at time of overhaul. The 0.10 gram particulate rebuild kits can be purchased through authorized Detroit Diesel distributors once certification is granted.

Turbodyne is an integrated manufacturing company specializing in the design, manufacture and marketing of high technology performance improvement and anti-pollution devices for automotive, marine and industrial applications. Turbodyne's light metal division is a manufacturer of machined permanent mold and sand cast aluminum products for the automotive industry.

Detroit Diesel Corporation is engaged in the design, manufacture, sale and service of heavy-duty diesel and alternative fuel engines, automotive diesel engines, and engine-related products. The Company offers a complete line of diesel engines from ten to 10,000 horsepower.

Source: Detroit Diesel Corporation