my name is brad mcmillan, and i have a company that designs and manufactures electronics primarily for the electric power industry where it is used to automate the electric power grid. i am an electronics engineer and worked almost my entire career in this industry, and my family has lived in san francisco since 1854. i am here to address support for migrating to an all-electricity transit system. over the last few decades we have seen rapid advances in clean energy technology, solar panels, utility skill wind farms, electric cars, and ever higher capacity batteries are all undergoing advancements to make them more powerful, easier to use and cheaper. these technologies are being created in response to the problems caused by the burning of fossil fuels. in addition to global warming, the use of fossil fuel causes mountains of coal ash we don't know what to do with, inevitable spills that pollute the land and water, and the awful smog that we have to live with at any of the major cities. in contrast, clean engineer technologies have much less waste and there is nothing to spill, and we