EPA is finalizing an optional alternative renewable identification number (RIN) retirement schedule for small refineries under the Renewable Fuel Standard (RFS) program for the 2020 compliance year. Small refineries that elect to use the alternative RIN retirement schedule will have to fully comply with their 2020 RFS obligations-- including any RIN deficits from 2019 carried forward into the 2020 compliance year--by February 1, 2024.

The Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) has submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) promulgated under the Clean Air Act (CAA), as provided for under the delegation mechanism previously approved by the Environmental Protection Agency (EPA). The EPA is approving DEQ's requested update of its NESHAP delegation.

The Environmental Protection Agency (EPA) is revising certain administrative deadlines under seven allowance trading programs for emissions of sulfur dioxide (SO<INF>2</INF>) and nitrogen oxides (NO<INF>X</INF>).

The Environmental Protection Agency (EPA) is amending the Code of Federal Regulations (CFR) to reflect a 2015 court decision regarding the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Stationary Reciprocating Internal Combustion Engines (RICE) and the New Source Performance Standards (NSPS) for Stationary Internal Combustion Engines (ICE). The court vacated provisions in the regulations specifying that emergency engines could operate for emergency demand response or during periods where there is a deviation of voltage or frequency.