Companies featured in this segment: Dow Chemical Company (NYSE: DOW), Westlake Chemical (NYSE:WLK), ESG Biofuels (Live Oak) LLC, Energy Systems Group LLC, Vectren Corporation (NYSE:VVC), Allegheny Energy Incorporated (NYSE:AYE), Iberdrola SA (MCE:IBE), Siemens AG (NYSE:SI), SPX Corporation's (NYSE:SPW), Westinghouse Electric Company LLC, The Shaw Group Incorporated (NYSE:SGR), Progress Energy Incorporated (NYSE:PGN), China Petroleum and Chemical Corporation (NYSE:SNP), and PetrocChina Company Limited (NYSE:PTR).