EXHIBIT 4.2 THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"). THE SECURITIES REPRESENTED HEREBY ARE RESTRICTED AND MAY NOT BE SOLD,...Warrant Agreement • August 28th, 2007 • Bluefire Ethanol Fuels Inc • Industrial organic chemicals
