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Ask a Scientist: UCS Transportation Program Adds Equitable Mobility to its Portfolio

Union of Concerned Scientists

Thanks largely to the Clean Air Act, new passenger vehicles are 98 to 99 percent cleaner than they were 60 years ago when it comes to most tailpipe pollutants, including hydrocarbons, carbon monoxide, nitrogen oxides, and fine particulate matter. Even so, cars and trucks are still making us sick—and killing us.

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Reading the Tea Leaves: Biden’s and California’s Vehicle Regs at the D.C. Circuit

Legal Planet

A biofuel trade association challenged NHTSA’s consideration of California’s Zero Emissions Vehicles (ZEV) program in identifying the baseline as preempted by EPCA’s provision targeting state laws “related to fuel economy standards.” The oral argument centered on these arguments.