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SACRAMENTO, Calif. — California has set a goal of phasing out electricity produced by fossil fuels by 2045 under legislation signed Sept. 10 by Gov. Jerry Brown.

WASHINGTON — The small role Congress currently plays in policy for autonomous vehicle technology could eventually slow, or impede, progress for states and firms testing such systems, a key House transportation authorizer warned on Sept. 5.

Florida posted the biggest surge among states in the use of heavy-duty trucks with clean diesel engines in 2017, notching an 81% jump compared with a year earlier, according to data from IHS Markit. This increase came as fleet confidence in the technology took hold and more freight-hauling opportunities opened up in the nation’s fourth-largest state economy, other experts said.

An “incursion” nine months ago that shut down the Federal Motor Carrier Safety Administration’s National Registry of Certified Medical Examiners still is causing delays in registering new examiners and backlogs for medical examiners to upload truck driver examinations, officials said.

Federal Motor Carrier Safety Administration chief Ray Martinez will be a keynote speaker at American Trucking Associations’ conference next month to provide an update on new rules covering the industry.

SALT LAKE CITY — A Utah driver who slammed her Tesla into a stopped firetruck at a red light earlier this year while using the vehicle’s semi-autonomous function has sued the company, saying salespeople told her the car would stop on its own in Autopilot mode if something were in its path.

Citing a persistent increase in the number of vehicle-train collisions at highway-rail grade crossings in recent years, the Department of Transportation Office of Inspector General has informed the Federal Railroad Administration that it is conducting an audit of the agency’s incident data.