Burlingame-based electric bus manufacturer Proterra Inc. is opening a manufacturing facility in City of Industry that it expects to employ almost 100 workers by the end of next year.

The company’s $20 million, 100,000-square-foot facility, which it commemorated last week, will add to Proterra’s manufacturing roster that includes a battery facility in Silicon Valley and a vehicle production facility in Greenville, S.C.

“We can redirect the billions of dollars we’re spending on dirty fuel and equipment, mostly from vendors out of state, and clean up our air while employing our neighbors,” Proterra Chief Executive Ryan Popple said at the opening ceremony for the City of Industry factory.

The company said it will have 60 employees working in the new facility by the end of this year, with the remainder joining in 2018. The factory has the capacity to manufacture 400 buses annually, and the company said its latest buses can travel more than 200 miles on a fully charged battery.

– Shwanika Narayan