Toyota Motor Corp’s hydrogen fuel-cell vehicles are gaining traction in California, where 22 of the company’s Mirai cars have been delivered in its first month of availability, company officials said on Tuesday. Toyota has ambitious plans to sell 30,000 fuel-cell vehicles globally by 2020, ramping up from an expected 2,000 next year. Fuel-cell vehicles are a key component of the company’s plans to curb polluting emissions to nearly zero by 2050. Toyota will accelerate the…