FILE - In this Nov. 27, 2008 file photo, a worker is seen at a Sinopec oil refinery in Wuhan, in central China's Hubei province. Environmental regulators have taken the unusual step of blocking ... more 
FILE - In this Nov. 27, 2008 file photo, a worker is seen at a Sinopec oil refinery in Wuhan, in central China's Hubei province. Environmental regulators have taken the unusual step of blocking China’s two biggest oil producers, PetroChina and Sinopec, from expanding their refining capacity after they failed to meet pollution targets. (AP Photo/File) CHINA OUT less 
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Associated Press | Photo By File
Thu, Aug 29, 2013 11:58 PM EDT