Breaking the Cycle: Flooding, Infrastructure, and Climate Law in Practice
Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
Navigating Renewable Energy: Insights from the ACP Siting and Permitting Conference - Energy Law Insights
ESG Essentials: What You Need To Know Now - Episode 19 - Power Struggles: Federal vs. State Authority in Energy Law
Emerging Risks & Opportunities: Navigating Environmental & Sustainability Regulations During the First 100 Days
ESG Essentials: What You Need To Know Now - Episode 18 - The Reshaping of ESG & DEI
Litigios verdes, ¿qué son?
Greenhushing: What It Is & Why It Matters
AGG Talks: Cross-Border Business Podcast - Episode 21: The 2024 U.S. Election’s Impact on ESG Regulations
Environmental and Sustainability Regulations & the New Administration
The Loper Bright Decision - What Really Happened to Chevron and What's Next
Podcast - Gestión del gobierno en el sector de energía: Una mirada desde los entes de control
Navigating Environmental Restrictions on Alternative Project Delivery for Complex Infrastructure Projects
Minería en tiempos de transición energética
COP16 en Colombia: El Futuro de la Biodiversidad
Election Roundup: How a Trump Administration Could Shape the Oil and Gas Landscape
Election Roundup: How a Harris Administration Could Shape the Oil and Gas Landscape
Navigating ESG: Preparing for Future Regulations (Part Two) — Regulatory Oversight Podcast
On-Demand Webinar | Recent Updates to Federal Environmental and Natural Resource Regulations
Business Better Podcast Episode: Sustainability Spotlight – A Conversation with Vicinity Energy
The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more
The U.S. Environmental Protection Agency ("EPA") proposes rescission of the 2009 Endangerment Finding, which underpins greenhouse gas regulation under the Clean Air Act....more
In this episode of our "An Energized Exchange" podcast series, presented by the Energy & Natural Resources Industry Sector Group, attorneys Zach Pilchen, Brian Bunger and Rafe Petersen discuss the U.S. Supreme Court's...more
President Trump took steps to dismantle California’s vehicle emissions standards on June 12, 2025, by signing three Congressional Review Act (“CRA”) resolutions revoking California’s waiver under the Clean Air Act. The waiver...more
The Congressional Review Act (“CRA”), enacted in 1996, allows Congress to disapprove federal regulations promulgated by government agencies within 60 legislative working days after the rule is submitted to Congress. In order...more
On May 22, 2025, the Senate passed several joint resolutions to disapprove the Environmental Protection Agency’s (EPA’s) Clean Air Act (CAA) waiver of preemption for California’s Advanced Clean Cars II (ACC II), Advanced...more
In the weeks since Holland & Knight previously reported on challenges to California's Clean Air Act (CAA) preemption waivers on April 30, 2025, Congress has taken decisive action. Following the U.S. House of Representatives'...more
Welcome to Industrials Regulatory News and Trends. In this regular bulletin, DLA Piper lawyers provide concise updates on key developments in the industrials sector to help you navigate the ever-changing business, legal, and...more
Vehicle manufacturers and operators in California are no stranger to complex regulations, with the California Air Resources Board’s (CARB) history of pioneering mobile emission regulations. ...more
Previously we’ve reviewed overarching expectations of the second Trump Administration, how the Trump Administration will act on California’s emissions waivers, the steps the Trump Administration is likely to take with respect...more
On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more
On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the EPA needed to support four recently adopted vehicle emissions regulations: 1) the Advanced Clean Fleets Regulations; 2) the In-Use...more
Under Clean Air Act (CAA) Section 209(a) (42 U.S.C. § 7543), states are preempted from adopting or enforcing emissions standards for new motor vehicles or new motor vehicle engines. However, because California had adopted its...more
In a significant development for environmental law and state autonomy, the Supreme Court of the United States (SCOTUS) recently declined to review whether the U.S. Environmental Protection Agency (EPA) has the authority to...more
Last week, Arizona Attorney General (AG) Kris Mayes filed a lawsuit against FCA (formerly Fiat Chrysler) and Cummins for alleged violations of the Arizona Consumer Fraud Act by falsely advertising that certain vehicles were...more
In Ohio et al. v. U.S. EPA, on April 9, 2024, the United States Court of Appeals for the D.C. Circuit upheld a decision by the U.S. Environmental Protection Agency ("EPA") to allow California's 2013 greenhouse gas emissions...more
California Attorney General (AG) Rob Bonta and the California Air Resources Board (the Board) have reached a $46 million agreement with engine manufacturer Cummins Inc. to settle alleged violations of California’s engine...more
Motor carriers and equipment manufacturers are closely watching federal and California Air Resources Board (CARB) developments in the future of vehicle emissions. The headline has long been that a transition from internal...more
Should state and local governments be concerned about California’s 2024 mandate to purchase zero emission fleet vehicles given that many of those vehicles do not yet exist? Procopio's John Lormon and Matt Abbot address...more
On April 12, 2023, the Environmental Protection Agency (EPA) issued a Notice of Proposed Rulemaking for “Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles – Phase 3” (the Phase 3 proposed rule or NPRM), establishing...more
What is the significance of EPA’s March 30, 2023 Notice of Decision (pre-publication) granting two separate requests for waivers of Clean Air Act (“CAA”) preemption for California Air Resources Board (“CARB”) regulations...more
On December 20, 2022, the Environmental Protection Agency finalized regulations aimed at reducing harmful emissions from trucks, delivery vehicles, and buses. These regulations will impact vehicles manufactured after 2027 and...more
EPA, States, and the auto industry are again ratcheting up the battle over California’s authority to set vehicle GHG and Zero Emission Vehicles program. The Clean Air Act generally prohibits a state from adopting its own...more
Ohio, along with sixteen other states, sued the Environmental Protection Agency on Friday last week, over its March 14, 2022 decision to reinstate a waiver allowing the nation’s most populous state California, under its...more
Several years into EPA’s mobile source enforcement initiative, the agency recently issued an updated enforcement policy addressing vehicle and engine tampering and aftermarket defeat devices (the “Tampering Policy”). The...more