Tag: NOX

EPA Proposes Tighter NOx Standards for Stationary Combustion Sources

The EPA recently announced a proposed regulation to strengthen limits on emissions of nitrogen oxides (NOx) from most new, modified, and reconstructed fossil fuel-fired stationary combustion turbines. The regulation, if finalized, will “ensure that new turbines built at power plants or industrial facilities—especially large ones that could operate for decades—would be among the most efficient […]

truck exhaust fumes

EPA Seeks Public Comment on Heavy-Duty Truck Emissions Proposals

In the second step taken under the Cleaner Trucks Initiative (CTI) it announced in November 2018, the EPA has released an advance notice of proposed rulemaking (ANPR) to solicit public comment on the outlines of proposed emissions standards for highway heavy-duty engines, which the Agency says it plans to issue in early 2020.

Power Plant Fossil Fuel Ozone

One Good Neighbor Provision Remanded; All Other Rule Challenges Denied

In a ruling that helps downwind states with areas in nonattainment with the 2008 National Ambient Air Quality Standards (NAAQS) for ozone, a panel of the U.S. Court of Appeals for the D.C. Circuit declined to vacate the EPA’s 2016 rule to update its Cross-State Air Pollution Rule (CSAPR). However, the court did remand one […]

Alternative, Low-Cost NOx Monitoring Options from EPA

Under a new EPA proposal, approximately 310 sources subject to monitoring under the Agency’s NOx SIP Call regulations would be able to use options to the emissions monitoring requirements now required by the regulations.

Good-neighbor Rule Updated to 2008 Ozone NAAQS

In a final action, the EPA has updated its 2011 Cross-State Air Pollution Rule (CSAPR) with respect to the 2008 ozone National Ambient Air Quality Standards (NAAQS). According to the Agency, the action constitutes the first time the EPA has updated an existing program to address interstate transport of air pollution under a new air […]

Now Harley-Davidson Settles Defeat-Device Allegation

Following the $14.7 billion penalty leveled against Volkswagen®, EPA’s $12 million settlement with Harley-Davidson, Inc., over the company’s alleged sale of illegal defeat devices for use on its motorcycles, is a significant enforcement action that highlights the government’s militant stance against vehicle manufacturers it asserts are violating the Clean Air Act (CAA).

Interstate Pollution FIP Proposed

The EPA has released a preproposal for a Federal Implementation Plan (FIP) to carry out its Cross-State Air Pollution Rule (CSAPR) in states that do not have approved state implementation plans (SIP) showing how they will comply with the CSAPR.