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- Rule 50
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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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Federal Implementation Plan for True Minor Sources in Indian Country in the Oil and Natural Gas Production and Natural Gas Processing Segments of the Oil and Natural Gas Sector; Amendments to the Federal Minor New Source Review Program in Indian Country To Address Requirements for True Minor Sources in the Oil and Natural Gas Sector
The Environmental Protection Agency (EPA) is finalizing a federal implementation plan (FIP) that applies to new true minor sources and minor modifications at existing true minor sources in the oil and natural gas production and natural gas processing segments of the oil and natural gas sector that are locating or expanding in Indian reservations...
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National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production
The Environmental Protection Agency (EPA) is taking direct final action to amend the National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production (Secondary Aluminum NESHAP). This direct final rule amends the final rule that was published in the Federal Register on September 18, 2015, by correcting inadvertent...
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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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Air Plan Approval; Kentucky; Source Specific Revision for Louisville Gas and Electric
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky through its Energy and Environment Cabinet, Department of Environmental Protection, Division for Air Quality (KY DAQ) on February 13, 2013, for the purpose of establishing emission requirements...
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Approval of Iowa's State Implementation Plan (SIP); Definition of Greenhouse Gas and Prevention of Significant Deterioration (PSD) Plantwide Applicability Limits (PALs) Revisions
The Environmental Protection Agency (EPA) is approving two SIP revisions submitted by the State of Iowa. First, EPA is approving the definition of greenhouse gas, which will make the state's definition consistent with the Federal definition, and add greenhouse gases to emission inventory requirements. Second, EPA is approving Iowa's revision to...
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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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Determination of Attainment by the Attainment Date; 2008 Ozone National Ambient Air Quality Standards; Cleveland, Ohio and St. Louis, Missouri-Illinois Areas
The Environmental Protection Agency (EPA) is making a determination, under the Clean Air Act (CAA), that the Cleveland, Ohio (OH) and St. Louis, Missouri-Illinois (MO-IL) areas attained the 2008 ozone National Ambient Air Quality Standards (NAAQS), by the applicable attainment date of July 20, 2016. This determination for each area is based on...
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Air Plan Approval; Minnesota; Sulfur Dioxide
The Environmental Protection Agency (EPA) is approving a revision to the Minnesota sulfur dioxide (SO<INF>2</INF>) State Implementation Plan (SIP) for the Flint Hills Resources, LLC Pine Bend Refinery (FHR) as submitted on May 1, 2015. The revision will consolidate existing permanent and enforceable SO<INF>2</INF> SIP conditions into the...
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Approval and Promulgation of Air Quality Implementation Plans; State of Missouri; Cross-State Air Pollution Rule
The Environmental Protection Agency (EPA) is taking direct final action to approve portions of a November 20, 2015, State Implementation Plan (SIP) submittal from Missouri concerning allocations of Cross-State Air Pollution Rule (CSAPR) emission allowances. Under CSAPR, large electricity generating units in Missouri are subject to Federal...
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Approval and Promulgation of Implementation Plans; Oklahoma; Revisions to Major New Source Review Permitting
The Environmental Protection Agency (EPA) is proposing to approve severable portions of revisions to the Oklahoma New Source Review (NSR) State Implementation Plan (SIP) submitted by the State of Oklahoma on June 24, 2010; July 16, 2010; December 27, 2010; February 6, 2012; and January 18, 2013. These revisions update the Prevention of...
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Air Plan Approval; Ohio; Removal of Stage II Gasoline Vapor Recovery Requirements
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Ohio Environmental Protection Agency (Ohio EPA) on July 15, 2015 and February 29, 2016, concerning the state's Stage II vapor recovery (Stage II) program for the Cleveland, Cincinnati, and Dayton ozone areas in Ohio. The...
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Promulgation of Air Quality Implementation Plans; Arizona; Regional Haze Federal Implementation Plan; Reconsideration
The Environmental Protection Agency (EPA) is proposing to revise provisions of the Arizona Regional Haze Federal Implementation Plan (FIP) applicable to the Phoenix Cement Company (PCC) Clarkdale Plant and the CalPortland Cement (CPC) Rillito Plant. In response to requests for reconsideration from the plants' owners, we propose to replace the...