Palo Alto, Calif.--B2BeVentures.com, a Silicon Valley start-up, announced plans Wednesday to develop a network of 300 business-to-business vertical portals targeting English- and Spanish-speaking businesspeople. The portals will provide industry news, forums, e-commerce and auctions. The company hopes to be positioned to serve b-to-b industries in both North and South America. Among the first portals planned is B2BeMotors.com, which will serve the automotive industry. B2Banco.com, serving the banking industry, will be the company's first Spanish-language portal to launch.