The only drawback is that passengers are driven to distraction by the incessant buzzing noise. http://tinyurl.com/4wddwr or http://www.japantoday.com/category/technology/view/nissan-develops-crash-avo idance-robotic-car **************************************************** * General Information About BEE-L is available at: * * http://www.honeybeeworld.com/bee-l/default.htm * ****************************************************