DPF Parts Direct reports California's Clean Truck Check aims to reduce diesel emissions, raising compliance costs and ...

California has historically been the prime mover of America’s efforts toward cleaner cars, but its aggressive electric ...

California may have lost up to $3 billion in potential revenue from a signature emissions reduction program over the past year, a new report has found. The Golden State’s cap-and-trade ...

California should end its emissions offset program, researchers say. By Anne C. Mulkern | 05/29/2025 06:20 AM EDT . A new analysis assails a program that lets major emitters pay for projects such ...

With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback ...

The road to adoption of Zero Emissions Vehicles (ZEVs) is growing steeper. For over two decades, states used incentives and ...

State data shows 67% of California's retail electricity sales in 2023 came from renewable and zero-carbon electricity ...

DIAMOND BAR, Calif. — Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from gas-powered furnaces and water heaters, but the ...

The U.S. Senate has voted to block California’s plan to ban new gas-powered car sales by 2035. California’s longstanding influence over national emissions policy is now in legal jeopardy.

A delay in strengthening the California program caused the state to take in less money for climate projects, a climate ...

California’s power grid is now fueled by 67% clean energy sources, despite federal pushback on renewable energy subsidies.

A recent report from the Public Policy Institute of California found additionally that 60% were very concerned, a remarkable ...