dr. chris gearhardt is the director at the national renewable energy lab. and the final member of the panel is the senior partner for the boston consulting group. so welcome to each of you. >> thank you, chairman, ranking member and all of the members of the committee for the opportunity to be able to testify today. if we look at the world today, our national imperative is clear. we must win the clean energy race. we will capture a significant chair of the market, the job and the energy security and the other opportunities that will be created along the way. i help manage a portfolio to deliver on our mission. as we heard earlier, 70% about 1/5 of household expenditures and nearly 1/3 of carbon emissions. other air pollutants that are harming our children and ur grandparents. first, using less energy. domestically produce alternative fuels with lower greenhouse gas emission. through our work at the national renewable energy lab, and with our other national lab partners, private sector partners and other key stake holders, we helped deliver significant resul