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FIRST ON FOX: California has agreed to drop its Advanced Clean Fleet (ACF) mandates dictating stringent emissions standards for big rigs, following a year-long court battle with an anti-regulations group whose legal arm is led by former Attorney General William Barr.

California Attorney General Rob Bonta and California Air Resources Board (CARB) executive Steven Cliff agreed in court documents filed Friday to withdraw their ACF mandates, leading the American Free Enterprise Chamber of Commerce (AmFree) to drop its legal challenge.

In a document signed by Obama-appointed federal Judge Troy Nunley and obtained by Fox News Digital, Cliff and Bonta agreed to present a repeal proposal for the ACF requirements in a public hea

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