Carlo Luri, general manager of Bently Biofuels Co. in Minden, listened carefully to a proposal to finance a northern Nevada company to refine specialty fuels from waste tallow.Less than half an hour later, Luri told researcher Rainier Busch that Busch needs to sharpen his financial projections before he makes a serious bid for venture capital financing.That was just exactly what leaders of the University of Nevada, Reno, and the Desert Research Institute wanted as they showcased four promising technologies before a panel of technology and venture finance specialists a few days ago.Working with Nevada Institute for Renewable Energy Commercialization, higher …