http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Important pedestrian safety issues have emerged with the advent of hybrid and electric vehicles. These vehicles are relatively quiet -they do not emit the sounds pedestrians and bicyclists are accustomed to hearing as a vehicle approaches them on the street or at an intersection. In a recent study, human factors/ergonomics researchers examined participants' preferences for sounds that could be added to quiet vehicles to make them easier to detect. http://www.physorg.com/news146140027.html Other Sciences Mon, 17 Nov 2008 10:27:07 EST news146140027