Change: Save & Share: wsj:http://blogs.wsj.com/environmentalcapital/2008/09/17/bill-gates-goes-for-algae-invests-in-biofuel-maker-sapphire-energy/ ==================================================================================================== When Angel Investors Go Bad 04/09/07 - 02:24 PM EDT, Entrepreneur.com This group will go after you for the smallest thing -- failure to send them their stock   View changes from previous version. (Word count: 617)

Change: Khosla,Khosla, a Silicon Valley billionaire whose personal investment vehicle has backed numerous ethanol-related companies, is scheduled to give the keynote address next month at   View changes from previous version. (Word count: 539)

Change:  Cascades Investments LLC, Mr. Gates’ personal investment vehicle, is backing Sapphire Energy, a start up working towards a commercial-scale facility to produce oil from algae.   View changes from previous version. (Word count: 539)