The California Air Resources Board approved groundbreaking rules requiring passenger, freight and switcher locomotives to decarbonize in the next three decades.

California regulators approved a rule that will ban the sale of diesel trucks in the state starting in 2036, requiring all new trucks sold to be zero-emission.

The California Air Resources Board plans to vote on a regulation requiring new switcher locomotives to be zero-emitting by 2030 and freight locomotives by 2035.

A bill that would require all zero-emission vehicles sold in California to have bidirectional charging capabilities by 2027 cleared a key Senate committee.

More than 1.5 million light-duty electric vehicles have been sold in California, beating by two years the target set by a governor’s executive order in 2012.

A court ruling voiding Berkeley's ban on natural gas in new buildings could have national impact, but it doesn’t prevent all efforts to electrify buildings.

A relatively new state agency works to transform utility wildfire safety culture by shifting away from penalties and enforcement to a learning-based approach.

The awards will fund producers of smart conductors, heat pumps, energy-producing windows and technology to detect flaws during batter manufacturing.

CAISO published its 2022-23 transmission plan, taking a new approach to prioritizing dozens of transmission projects for renewable resources and reliability.

Panelists at the RE+ Northern California conference discussed utility rate design to lessen the impact of decarbonization and wildfire mitigation on ratepayers.