More on the Riley XR-3 Plug in Hybrid Kit Car

Robert Q. Riley Enterprises says its new plug-in diesel-electric hybrid is two months from launch. (It'll debut on June 16.) Purportedly, the three-wheeled XR-3 will get 125 mpg on its three-cylinder, 23 hp diesel engine alone, and 225 mpg when coupled with an electric motor driving the rear wheel. Riley, a well-known… » 3/20/07 1:04pm 3/20/07 1:04pm