Tag Archives: California Air Resources Board

Heavy-Duty Regulatory Update: Reviewing US EPA’s Waiver for CARB’s Advanced Clean Trucks Regulations and US EPA’s Proposed Phase 3 GHG Emissions Standards

Our team at Squire Patton Boggs monitors developments surrounding the heavy-duty vehicle and engine sector.  Our last blog post on this topic covered updates on US EPA’s proposed Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards and California Air Resources Board’s (CARB’s) rulemaking for off-road diesel engine regulations.  In this … Continue Reading

Heavy Duty Regulatory Update: CARB & US EPA Proposed Rulemaking for NOx Heavy-Duty Offroad and Onroad Truck Standards

Our team at Squire Patton Boggs continues to track recent regulatory developments for the heavy-duty vehicle and engine sector. In our last blog post on this topic, we covered US EPA’s Cleaner Trucks Initiative, the California Air Resources Board’s (CARB’s) heavy-duty engine and vehicle omnibus regulation, and CARB’s Advanced Clean Trucks Regulation. US EPA Heavy-Duty … Continue Reading

US EPA Takes AIM at HFCs

It’s déjà vu all over again.  Over the course of more than thirty years, EPA and industry partners successfully wound down usage of ozone-depleting chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) under the Significant New Alternatives Policy (SNAP) in Title VI of the Clean Air Act, enacted following the 1987 Montreal Protocol.  Under SNAP, HCFCs and CFCs … Continue Reading

Developments in Mobile Source Regulation: US EPA’s Updated Tampering Policy

The second half of 2020 sped by with all the fleetness of a supercharged truck. In case you missed it, Squire Patton Boggs has provided a recap of the Agency’s revised tampering policy as well as trends in the broader industry. Although we expect the new administration to lead to changes in approach to mobile … Continue Reading

Heavy Duty Engine Regulatory Update: US EPA Enforcement Discretion and CARB Proposed Rulemaking

We are continuing to follow regulatory developments proposed for the heavy-duty vehicle and engine sector.  In our most recent blog post on the topic, we covered updates on timing for the United States Environmental Protection Agency (US EPA) Cleaner Trucks Initiative and the California Air Resources Board’s (CARB) efforts related to Heavy-Duty Low NOx Omnibus … Continue Reading

Heavy-Duty Truck and Engine Regulation by US EPA and CARB: Agency Rulemaking in the COVID-19 Era

The US Environmental Protection Agency (US EPA) and the California Air Resources Board (CARB) are proceeding with development of proposed rules for on-road heavy-duty vehicle and engine regulation. As previously covered in our blog, US EPA and DOT already issued a final rule in early April rolling back greenhouse gas emission (GHG) standards in the … Continue Reading

US EPA-California Tensions Over GHG Standards Increase with Preemption Challenge

Disagreements between California and the US Environmental Protection Agency (US EPA) over greenhouse gas (GHG) standards for automobiles have been simmering since 2018, but tensions between the two sides have recently increased after California entered into a voluntary agreement on GHG standards with a group of major automakers, followed swiftly by US EPA’s withdrawal of California’s authority … Continue Reading
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