Report: Biodiesel IPO on Tap

Imperium Renewables Inc., a Seattle-based biodeisel producer, is planning to file for an IPO later this year, according to VentureWire. The $200 million-$300 million offering would value the company at over $1 billion. Imperium is run by former venture capitalist Martin Tobias, and has raised funding from such firms as Nth Power, Technology Partners, Vulcan Capital, BlackRock Investment Management, Capricorn Management and Silver Point Capital.