transportation, environmental, and economic goals are not anti pedicle. they can support each other. that is important for us to know. -- are not antithetical. it is a day that we should all be proud of what we are achieving. thank you very much. [applause] >> supervisor, does your girlfriend know that we are getting rid of her car soon? in san francisco, like other cities, they have a department of the environment. they do not have this in every city. san francisco is a forward- thinking city. with that, i want to bring up the director of the department, melanie nutter. >> good morning. i am so pleased to be here today to celebrate this environmental milestone. as you have heard, we would not be here today without the broad coalition of support and the ongoing collaboration that came together around ensuring we could reduce carbon emissions from our taxi fleet coming here in san francisco. the san francisco department of the environment is proud to have been a partner in insuring san francisco's taxi fleet is the greenest in the nation. first, on the pol