Approval and Promulgation of Air Quality Implementation Plans; State of Colorado; Colorado Springs Revised Carbon Monoxide Maintenance Plan and Approval of a Related Revision

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EPA is proposing approval of the revised Colorado Springs carbon monoxide (CO) maintenance plan, that is designed to keep the area in attainment for CO through 2010, and revisions to Colorado's Regulation No. 13 "Oxygenated Fuels Program" for the removal of the requirement for the implementation of the wintertime oxygenated fuels program in El Paso County and the Colorado Springs area. The revised maintenance plan and revisions to Regulation No. 13 were submitted by the Governor on May 10, 2000. In the Final Rules section of this Federal Register, EPA is approving the State's State Implementation Plan (SIP) revisions, involving the revised maintenance plan and the changes to Regulation No. 13, as a direct final rule without prior proposal because the Agency views these SIP revisions as noncontroversial and anticipates no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If no adverse comments are received in response to this rule, no further activity is contemplated in relation to this rule. If EPA receives adverse comments, the direct final rule will be withdrawn and all public comments received will be addressed in a subsequent final r