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California Governor's Office of Emergency Services had made NIOSH certification of N95 masks an explicit requirement of the contract with BYD so that California's doctors, nurses and other front-line workers can be confident that the N95 masks they receive from the state are of the highest quality and meet federal health and safety standards.

CHENGDU -- An infrared camera has captured footage of a wild giant panda mother and her cub in a nature reserve in southwest China's Sichuan province.

California's vehicle emissions rules, more stringent than the Trump EPA's rules, are followed by a dozen other states that account for more than 40 percent of US vehicle sales.

California has mandated 4 million electric cars and municipal bus fleets on the road by 2030, while China has mandated that 7 times their current number of electric cars by 2025 and is actively contemplating a complete ban on fossil fuel vehicles in the not too distant future.

Canada is considering whether to allow Huawei to supply equipment to its 5G networks. Some Canadian allies have imposed restrictions, citing the risk of espionage.