Environmental Protection Agency
National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines; New Source Performance Standards for Stationary Internal Combustion Engines
June 7, 2012 - 77 FR 33812 - RIN: 2060-AQ58 - Download Full Notice: Text | PDF
The EPA is proposing amendments to the national emission standards for hazardous air pollutants for stationary reciprocating internal combustion engines under section 112 of the Clean Air Act. The proposed amendments include alternative testing options for certain large spark ignition (generally natural gas-fueled) stationary reciprocating internal combustion engines, management practices for a subset of existing spark ignition stationary reciprocating internal combustion engines in sparsely populated areas and alternative monitoring and compliance options for the same engines in populated areas. The EPA is also proposing to include a limited temporary allowance for existing stationary emergency area source engines to be used for peak shaving and non-emergency demand response. In addition, the EPA is proposing to increase the hours that stationary emergency engines may be used for emergency demand response. The proposed amendments also correct minor mistakes in the pre-existing regulations.
Agency Contact: Ms. Melanie King, Energy Strategies Group, Sector Policies and Programs Division (D243-01), Environmental Protection Agency, Research Triangle Park, North Carolina 27711; telephone number (919) 541-2469; facsimile number (919) 541-5450; email
This is a proposed regulation. Comments were due on July 23, 2012.
Mercatus Center Regulatory Report Card
Score:
24 / 60
40%
F
What this Rule is Proposing
EPA is proposing amendments to national emission standards for hazardous air pollutants for stationary reciprocating internal combustion engines under section 112 of the Clean Air Act. Proposed amendments include alternative testing options for certain large spark ignition stationary reciprocating internal combustion engines, management practices for a subset of existing spark ignition stationary reciprocating internal combustion engines in sparsely populated areas, and alternative monitoring and compliance options for the same engines in populated areas. EPA also proposes to include a limited temporary allowance for existing stationary emergency area source engines to be used for peak shaving and non-emergency demand response. EPA also proposes to increase hours that stationary emergency engines may be used for emergency demand response. Proposed amendments also correct minor mistakes in the preexisting regulations.
Commentary
This proposed rule simply offers an alternative, lower cost way of measuring compliance. It does not offer any innovative ways of overcoming the assumed externality associated with stationary combustible engines. It also represents an attempt to improve a previous regulation by responding to petitions by affected parties.
Monetized Costs & Benefits (as reported by agency)
| Dollar Year | 2010, millions | |
| Time Horizon (Years) | 10 | |
| Discount Rates | 3% | 7% |
| Expected Costs (Annualized) | Not Reported by Agency | $373 (compression ignition) $115 (spark ignition) |
| Expected Benefits (Annualized) | $770 to $1,900 (compression ignition) $62 to $150 (spark ignition) | $690 to $1,700 (compression ignition) $55 to $140 (spark ignition) |
| Expected Costs (Total) | Not Reported by Agency | Not Reported by Agency |
| Expected Benefits (Total) | Not Reported by Agency | Not Reported by Agency |
| Net Benefits (Annualized) | Not Reported by Agency | Not Reported by Agency |
| Net Benefits (Total) | $0 | $0 |
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