A new Environmental Protection Agency rule that sets the 2013 volume of bio-diesel products required to be included in diesel fuel markets at 1.28 billion gallons, had a huge impact on several clear energy stocks on Monday. Shares of Renewable Energy Group, Inc.. (NASDAQ:REGI), for example, went through the proverbial ceiling, but others such as Pacific Ethanol, Inc. (NASDAQ:PEIX), Sino Clean Energy Inc. (NASDAQ:SCEI), Amyris Biotechnologies (NASDAQ:AMRS), and Syntroleum Corporation (NASDAQ:SYNM) popped as well.
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