Former President Bill Clinton hugs House Minority Leader Nancy Pelosi of California as another Democrat, Sen. Barbara Boxer of California, looks on at Wednesday's ceremony naming the Environmental Protection Agency headquarters for him. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

East Boston, Mass., in 1973 (left) and in 2012. Michael P. Manheim/Environmental Protection Agency hide caption

itoggle caption Michael P. Manheim/Environmental Protection Agency

The Environmental Protection Agency found Hyundai and its sister company, Kia, overstated the fuel economy ratings on about 900,000 cars. Nam Y. Huh/AP hide caption

itoggle caption Nam Y. Huh/AP