Reopening of Comment Period for Control of Emissions of Air Pollution from 2004 and Later Model Year Highway Engines and Vehicles; Revision of Light-duty Truck Definition

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EPA is reopening the comment period for the proposed rule for the control of emissions of air pollution from 2004 and later model year heavy-duty vehicles and engines. The Notice of Proposed Rulemaking (NPRM) was published in the Federal Register on October 29, 1999 (64 FR 58472). The close of the comment period for all issues related to the proposed rule was originally December 2, 1999. EPA is extending the closure of the comment period to December 16, 1999 for all issues except those related to the proposal to revise the light-duty truck definition. Comments related to this issue, contained in the proposed rule Supplementary Information, Section IV.F, will continue to be accepted only through December 2, 1999.