Imperium to raise US$345m

Imperium Renewables, a Seattle, Washington-based renewable fuels technology business, has filed with the SEC for an IPO which could see the company raise up to US$345m. It is supported by a host of VCs: Attractor Investment, BlackRock Private Equity Partners, Capricorn Management, Nth Power, Robeco Private Equity, Silver Point Capital, and Technology Partners.