GRID: A California bill envisions electric vehicle batteries as a massive source of backup power for the state’s grid, but experts say numerous technical hurdles stand in the way. (E&E News)

California regulators approve a first-in-the-nation rule aimed at cutting railway pollution by banning aging locomotives and requiring freight railroads to adopt zero-emissions technology. (Associated Press)
A California university study finds coal trains and terminal operations add more pollution to urban areas than other freight or passenger trains and disproportionately affect low-income and vulnerable communities. (news release)
• California transit agencies seek a $5.15 billion state-funded bailout to replace expiring federal pandemic aid that has kept them afloat amid declining ridership. (San Francisco Chronicle)
California awards a Bay Area transit agency $13.8 million to expand charging capacity for its planned electric ferry service. (Alameda Post)

OIL & GAS: Federal regulators fine the operators of a California oil refinery $27.5 million for violating a 2016 agreement to reduce the facility’s nitrogen oxide emissions. (Associated Press)

UTILITIES: A Montana railway sues NorthWestern Energy over damages caused by a 2021 wildfire allegedly sparked by the utility’s equipment. (Missoulian)

California solar industry officials say the state’s recent net-metering regulatory change slashing compensation for residential solar has left them in “completely uncharted territory.” (Inside Climate News)
Federal regulators vote to allow a Colorado solar-plus-storage project delayed by supply chain constraints to postpone its operational start date by 21 months. (RTO Insider, subscription)
The U.S. Commerce Department awards the Fort Mojave Indian Tribe $4 million to develop a 2.3 MW solar installation in western Arizona. (Daily News)
The federal Bureau of Land Management launches its environmental review of the proposed 300 MW Bonanza solar installation in Nevada. (news release)

A California university launches a $700 million effort to power its campus with 100% clean energy. (San Francisco Chronicle)
Alaska environmental advocates hold a rally to commend a utility for its efforts to cut greenhouse gas emissions and develop solar and wind power. (KUAC)

CLIMATE: Republican Montana lawmakers advance legislation that would bar state agencies from factoring greenhouse gas emissions and their climate impacts into permitting decisions. (Missoulian)

TRANSITION: Xcel Energy and a Colorado city form a committee to explore clean-energy strategies for replacing the Comanche coal plant slated for retirement in 2031. (Pueblo Chieftain)

BIOFUELS: A petroleum company plans to invest $90 million to develop a renewable diesel and aviation fuel production facility at its Hawaii oil refinery. (PacificInno)

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Jonathan hails from southwestern Colorado and has been writing about the land, cultures, and communities of the Western United States for more than two decades. He compiles the Western Energy News digest. He is the author of three books, a contributing editor at High Country News, and the editor of the Land Desk, an e-newsletter that provides coverage and context on issues critical to the West.