RNG Continues to Deliver Outsized Climate Benefits in California Transportation
Six Years Strong: RNG continues to lead California’s transportation emissions reductions with immediate, measurable results.
Updates
Updates
California Leads Coalition to Oppose EPA Delay of Tier 4 Vehicle Standards
The coalition argues the proposed delay would postpone cleaner air and public health benefits, while EPA says manufacturers need additional time to meet the new standards.
CARB Issues Second 15-Day Notice on Emergency Vehicle Emissions Regulations
The changes proposed by CARB clarify compliance requirements and waiver-related provisions while maintaining the rule’s overall framework.
Environmental Group Sues CARB Over Cap-and-Invest Amendments
The suit alleges that CARB violated the California Environmental Quality Act (CEQA) by approving significant program changes without adequately analyzing their environmental, public health, and community impacts.
CARB Releases Second 15-Day Changes to Advanced Clean Fleets Rule
CARB has released its Second 15-Day Changes to the ACF rule, doubling down on its position that private contractors fall under state and local government fleet requirements, while leaving key stakeholder concerns unaddressed.
Policy Perspective by Jon Costantino: The May 2026 Cap-and-Invest Board Meeting. What did we learn?
CARB approved its Cap-and-Invest amendments, but only after a lengthy and somewhat unpredictable meeting that raised new questions about the program’s direction and future.
California Budget Update: What It Means for Clean Transportation Priorities
The May Revise highlights a growing tension between necessary climate investments, uncertain funding, and the urgent need for near-term emissions reductions. While California advances its long-term climate goals, immediate air quality challenges remain.
Legislative Update: Mixed Results for CRTA‑Opposed Bills
This month delivered mixed results for CRTA‑opposed legislation, underscoring the continued debate over California’s clean air strategy.
Deadline Extended on CARB’s Solicitation on Potential Regulation for Dairy and Livestock Sector
The agency is gathering public input on potential methane rules for dairy and livestock operations.
Attending ACT Expo 2026? Don’t Miss the RNG Roundup
If RNG is on your radar, join us at the RNG Roundup in Las Vegas on May 6 and discover how fleets across North America are using RNG to lower costs, lower emissions, and meet their operational needs today.
Gubernatorial Candidates Outline Clean Transportation Positions in Televised Debate
The discussion highlighted clear differences in how each candidate would address high gas prices, clean‑energy investments, and the transition to zero‑emission vehicles.
Governor Releases Details on $200 Million Light‑Duty ZEV Incentive Proposal
The point‑of‑sale discounts are for first‑time EV buyers. Key program elements remain undefined and the plan excludes funding for medium‑ and heavy‑duty vehicles