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- Rule 44
- Proposed Rule 22
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Agency
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Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles
EPA and NHTSA, on behalf of the Department of Transportation, are each proposing rules to establish a comprehensive Heavy-Duty National Program that will reduce greenhouse gas emissions and increase fuel efficiency for on-road heavy-duty vehicles, responding to the President's directive on May 21, 2010, to take coordinated steps to produce a new...
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Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles
EPA and NHTSA, on behalf of the Department of Transportation, are each finalizing rules to establish a comprehensive Heavy-Duty National Program that will reduce greenhouse gas emissions and fuel consumption for on-road heavy-duty vehicles, responding to the President's directive on May 21, 2010, to take coordinated steps to produce a new...
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Heavy-Duty Engine and Vehicle, and Nonroad Technical Amendments
EPA and NHTSA, on behalf of the Department of Transportation, are each adopting corrections to provisions in our respective Medium- and Heavy-Duty Greenhouse Gas Emissions and Fuel Efficiency final rule issued on September 15, 2011. These amendments eliminate duplicative reporting requirements, reduce inadvertent minor differences between the...
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Heavy-Duty Engine and Vehicle and Nonroad Technical Amendments
Because EPA and NHTSA, on behalf of the Department of Transportation, received adverse comment on certain elements of the Heavy-Duty Engine and Vehicle and Nonroad Technical Amendments direct final rule published on June 17, 2013, we are withdrawing those elements of the direct final rule and republishing the affected sections without those...
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Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles-Phase 2
EPA and NHTSA, on behalf of the Department of Transportation, are each proposing rules to establish a comprehensive Phase 2 Heavy- Duty (HD) National Program that will reduce greenhouse gas (GHG) emissions and fuel consumption for new on-road heavy-duty vehicles. This technology-advancing program would phase in over the long-term, beginning in...
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Air Plan Approval/Disapproval; MS; Infrastructure Requirements for the 2012 PM2.5
The Environmental Protection Agency (EPA) is proposing to approve, in part, and disapprove in part, portions of the State Implementation Plan (SIP) submission, submitted by the State of Mississippi, through the Mississippi Department of Environmental Quality (MDEQ), on December 11, 2015, to demonstrate that the State meets the infrastructure...
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Air Plan Approval; Illinois; NAAQS Updates
The Environmental Protection Agency (EPA) is approving revised rules submitted by the State of Illinois as State Implementation Plan (SIP) revisions. The submitted rules update Illinois' ambient air quality standards to include the 2012 primary National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM<INF>2.5</INF>), add...
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Indiana; Ohio; Disapproval of Interstate Transport Requirements for the 2008 Ozone NAAQS
The Environmental Protection Agency (EPA) is disapproving elements of State Implementation Plan (SIP) submissions from Indiana and Ohio regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2008 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements are designed to ensure that...
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Finding of Failure To Submit a State Implementation Plan; New Jersey; Interstate Transport Requirements for 2008 8-Hour National Ambient Air Quality Standards for Ozone
The Environmental Protection Agency (EPA) is taking final action finding that New Jersey has failed to submit an infrastructure State Implementation Plan (SIP) revision to satisfy certain interstate transport requirements of the Clean Air Act (CAA) with respect to the 2008 8-hour ozone national ambient air quality standard (NAAQS). Specifically,...
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Air Plan Approval; CT; NOX
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision continues to allow facilities to create and/or use emission credits using NO<INF>X</INF> Emission Trading and Agreement Orders (TAOs) to comply with the NO<INF>X</INF> emission limits...
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Approval and Promulgation of Implementation Plans; State of Iowa; Infrastructure SIP Requirements for the 1997 and 2006 Fine Particulate Matter (PM2.5
The Environmental Protection Agency (EPA) is proposing to approve elements of two State Implementation Plan (SIP) submissions from the State of Iowa for the Infrastructure SIP Requirements for the 1997 and 2006 Fine Particulate Matter (PM<INF>2.5</INF>) National Ambient Air Quality Standards (NAAQS). Infrastructure SIPs address the applicable...
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Air Plan Approval; Ohio; Infrastructure SIP Requirements for the 2012 PM2.5
The Environmental Protection Agency (EPA) is proposing to approve elements of the state implementation plan (SIP) submission from Ohio regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2012 fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standards (NAAQS). The infrastructure...
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Approval and Promulgation of Air Quality Implementation Plans; Indiana; Redesignation of the Indiana Portion of the Louisville Area to Attainment of the 1997 Annual Standard for Fine Particulate Matter
The Environmental Protection Agency (EPA) is issuing a supplement to its July 11, 2013, proposed approval of Indiana's request to redesignate the Indiana portion of the Louisville, Indiana-Kentucky, area to attainment for the 1997 annual national ambient air quality standard (NAAQS or standard) for fine particulate matter (PM<INF>2.5</INF>)....
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Air Plan Approval; KY Infrastructure Requirements for the 2010 Nitrogen Dioxide National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve portions of the State Implementation Plan (SIP) submission, submitted by the Commonwealth of Kentucky, Energy and Environment Cabinet, Department for Environmental Protection, through the Kentucky Division for Air Quality (KDAQ), on April 26, 2013, to demonstrate that the...
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Air Plan Approval; New Hampshire; Infrastructure Requirements for the 2010 Sulfur Dioxide National Ambient Air Quality Standards
The Environmental Protection Agency (EPA) is approving elements of State Implementation Plan (SIP) submissions from New Hampshire regarding the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2010 sulfur dioxide National Ambient Air Quality Standards (NAAQS). EPA is also updating the classification for two of New...
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Approval of Iowa's Air Quality Implementation Plans; Polk County Board of Health Rules and Regulations, Chapter V, Revisions
The Environmental Protection Agency (EPA) is taking final action to approve a revision submitted by the State of Iowa. The purpose of these revisions is to update the Polk County Board of Health Rules and Regulations, Chapter V, Air Pollution. This final action will reflect updates to the Iowa's statewide rules previously approved by EPA and...
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Air Quality Designations for the 2010 Sulfur Dioxide (SO2
This rule establishes the initial air quality designations for certain areas in the United States (U.S.) for the 2010 primary sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The Environmental Protection Agency (EPA) is designating the areas as either nonattainment, unclassifiable/attainment, or unclassifiable,...
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Approval and Promulgation of Implementation Plans; Washington: Spokane Second 10-Year Carbon Monoxide Limited Maintenance Plan
The Environmental Protection Agency (EPA) is approving the limited maintenance plan submitted on May 11, 2016, by the Washington Department of Ecology (Ecology), in cooperation with the Spokane Regional Clean Air Agency (SRCAA) for the Spokane carbon monoxide (CO) maintenance area (Spokane area or area). The Spokane area includes the cities of...
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Air Plan Approval/Disapproval; Alabama; Infrastructure Requirements for the 2010 Sulfur Dioxide National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve in part and disapprove in part portions of the April 23, 2013, State Implementation Plan (SIP) submission, submitted by the State of Alabama, through the Alabama Department of Environmental Management (ADEM), for inclusion into the Alabama SIP. This proposal pertains to the...
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Air Plan Approval; Tennessee Infrastructure Requirements for the 2010 Nitrogen Dioxide National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve portions of the State Implementation Plan (SIP) submission, submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), on March 13, 2014, to demonstrate that the State meets the infrastructure requirements of the Clean Air Act...