Headline is wrong, it's not San Francisco. From the NBCNews report:
> Metropolitan Transportation Commission, a regional government agency in the San Francisco Bay Area, voted Wednesday to move forward with a proposal to require people at large, office-based companies to work from home three days a week as a way to slash greenhouse gas emissions from car commutes.
> Metropolitan Transportation Commission, a regional government agency in the San Francisco Bay Area, voted Wednesday to move forward with a proposal to require people at large, office-based companies to work from home three days a week as a way to slash greenhouse gas emissions from car commutes.