The California Air Resources Board on Friday adopted the new rules, which require that one-in-seven of new cars sold in the state in 2025 be an electric or other zero-emission vehicle.
The plan also mandated a 75-percent reduction in smog-forming pollutants by 2025, and a 34 percent reduction in greenhouse gas emissions over roughly the same time.
Automakers worked with the board and federal regulators on the greenhouse gas mandates in an effort to create one national standard for those pollutants.
California's auto emissions standards are often more strict than federal ones. Currently 14 other states have adopted them as their own.
