Plug-In Hybrid Leads Toyota's Drive Beyond Oil

Toyota, rightly or wrongly, is widely considered the greenest automaker, and the company hopes to solidify its hold on the title and move beyond oil through a sweeping plan to produce cleaner, more efficient cars -- beginning with a plug-in hybrid it will produce by 2010.It's no secret Toyota's been working on a plug-in hybrid to compete against the forthcoming Chevrolet Volt, but Wednesday's