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LOS ANGELES — With Hurricane Hilary barreling toward Southern California, officials are monitoring how the intense rain will impact critical infrastructure such as freeways and bridges.

For the first time in California, one out of every four new cars sold in the last quarter were zero-emission vehicles, Gov. Gavin Newsom announced this week.

California state legislators are moving closer to a final vote on a bill that would for roughly six years require drivers to be in the cab at all times for autonomous trucks.

Major truck and engine manufacturers have brokered a truce with California’s plan for phasing out sales of Classes 4-8 diesel-powered trucks in a landmark deal with state regulators.

An 18-state coalition is backing the EPA in a legal action supporting California’s future strict emissions controls on medium- and heavy-duty trucks.

California’s five container ports have agreed to develop a $27 million, high-tech supply chain infrastructure using a computer cloud to share data and cargo flow information.

More than 80 contract drivers and dispatchers who handle deliveries for Amazon .com Inc. have joined the International Brotherhood of Teamsters.

The U.S. Environmental Protection Agency has granted California environmental regulators waivers to officially move forward with the agency’s aggressive plans to transition diesel trucks to electric vehicles and expand the length of truck warranties.

California Gov. Gavin Newsom said March 15 he wants state regulators to decide whether to impose the nation’s first penalty on oil companies for price gouging.

An exceptionally cold winter storm buffeting California brought snow to coastal hills that rarely see it, shut major highways near Los Angeles and Santa Cruz and knocked out power to more than 110,000 homes and businesses.