Altra, the ethanol maker based in Los Angeles, has raised an additional $63 million for its second round of funding, making the total $183 million, according to VentureWire.

Here is our previous coverage of the company, which has raised money from firms like Advanced Equities Investment, DAG Ventures, Khosla Ventures, and Kleiner Perkins Caufield & Byers.

Undisclosed new institutions and individual investors provided most of this latest injection, according to VentureWire.

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