EPA proposed to establish nonconformance penalties for manufacturers of heavy-duty diesel engines in model years 2012 and later for NOx emissions. 

EPA established nonconformance penalties for manufacturers of heavy-duty diesel engines in model years 2012 and 2013 for nitrogen oxide (NOx) emissions. 

EPA entered into a proposed settlement agreement in Zen-Noh Grain Corp. v. Jackson, No. 10-4367 (E.D. La.), that requires the Agency to respond to petitions seeking objection to CAA Title V permits issued to Consolidated Environmental Mgmt., Inc.—Nucor Steel Louisiana for a pig iron manufacturing process in St. James Parish, Louisiana, by March 16, 2012.

EPA determined that the Baltimore moderate eight-hour ozone nonattainment area did not attain the 1997 eight-hour ozone NAAQS by the required date, reclassified the area as a serious nonattainment area, and established September 30, 2012, as the deadline for SIP revisions.

EPA entered into a proposed consent decree in Sierra Club v. Jackson, No. C11-cv-03106-JSW (N.D. Cal.), that establishes deadlines for the Agency to take final action on a 2009 reasonably available control technology demonstration for the San Joaquin Valley unified air pollution control district. 

United States v. City of Baton Rouge, No. 3:01-cv-00978-FJP-CN (M.D. La. Jan. 19, 2012). Under a consent decree modification, settling CWA defendants responsible for violations at their POTWs must complete sewage collection system improvements by January 1, 2018, must install a supervisory control and data acquisition system, and must install emergency generators at over 400 pump stations. 

NOAA-Fisheries designated approximately 41,914 additional square miles along the West Coast as critical habitat for the leatherback sea turtle under the ESA.

SIP Proposal: Pennsylvania (limited approval of regional haze plan.

SIP Proposal: Indiana (limited approval of regional haze plan).

SIP Proposal: Illinois (regional haze plan).