Retrofit/Rebuild Requirements for 1993 and Earlier Model Year Urban Buses; Approval of a Notification of Intent To Certify Equipment

Riepilogo

The Agency received an application dated October 21, 1997 from the Engelhard Corporation (Engelhard) with principal place of business at 101 Wood Avenue, Iselin, New Jersey for certification of urban bus retrofit/rebuild equipment pursuant to 40 CFR 85.1404-85.1415. The equipment is applicable to Detroit Diesel Corporation's (DDC's) petroleum-fueled 6V92TA model engines having electronically controlled fuel injection (DDEC) of model years 1988 through 1993. On April 9, 1998 EPA published a notice in the Federal Register (63 FR 17411) that the notification had been received and made the notification available for public review and comment for a period of 45 days. EPA has completed its review and the Director of the Vehicle Programs and Compliance Division has determined that it meets the requirements for certification, conditioned on the terms discussed below in section IV. The effective date of certification is discussed below under DATES. The certified equipment complies with the 0.10 gram per brake horsepower-hour (g/bhp-hr) particulate matter (PM) standard for the engines for which it is certified (see below). In addition, the equipment will be offered to all parties for $7,940