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EPA seeks input on Phase 3 GHG standard rulemaking for heavy-duty engines and vehicles

Green Car Congress

The US Environmental Protection Agency (EPA) is inviting small businesses to participate as Small Entity Representatives (SERs) for a Small Business Advocacy Review (SBAR) Panel. EPA first adopted GHG requirements for heavy-duty vehicles in 2011. The Phase 1 standards began to apply in Model Year 2014 for heavy-duty vehicles.

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EPA finalizes 2011 Renewable Fuel Standards

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The US Environmental Protection Agency (EPA) finalized the 2011 percentage standards for the four categories of fuel—cellulosic, biomass-based diesel, advanced biofuel, and total renewable fuels—under the agency’s renewable fuel standard program, known as RFS2. Earlier post.). million gallons; 0.003%.

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California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

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In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Top: Existing federal standards. Bottom: ARB’s proposed Tier 5 standard. Source: ARB. Source: ARB.

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EPA adds 1-bromopropane to list of hazardous air pollutants; first addition since 1990

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The US Environmental Protection Agency (EPA) has granted petitions to add 1-bromopropane (1-BP) to the list of hazardous air pollutants regulated under the Clean Air Act (CAA). This is the first time since 1990 that EPA has granted a petition to add a hazardous air pollutant to the CAA.

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EPA proposes updates to annual PM2.5 national air quality standard

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Source: EPA. The US Environmental Protection Agency (EPA) proposed updates to its national ambient air quality standards (NAAQS) for harmful fine particle pollution (PM 2.5 ). EPA’s proposal would strengthen the annual health standard for PM 2.5 hour fine particle standard of 35 µg/m 3 , which was set in 2006.

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EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015

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Counties where measured ozone is above proposed range of standards, based on 2011-2013 monitoring data. Source: EPA. EPA will seek public comment on the proposal for 90 days following publication in the Federal Register, and the agency plans to hold three public hearings. Click to enlarge. Earlier post.).

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EPA tightens national annual PM2.5 standard to 12 µg/m3

Green Car Congress

In response to a court order, the US Environmental Protection Agency (EPA) finalized an update to its national air quality standards for harmful fine particle pollution (PM 2.5 ), including soot, setting the annual health (primary) standard at 12 µg/m 3. This includes an annual standard of 15.0 ?g/m standard of 35?

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