Dayton Auto Show Features Virtually Emission-Free Autos (The Auto Channel)

99% Cleaner Vehicles Now Available to Consumers in Showrooms DAYTON, Ohio, March 29 -- Major automakers this week announced a landmark achievement that will help clean the air and protect the environment, as they introduced at the Dayton Auto Show a new generation of vehicles that are 99 percent cleaner than vehicles from 30 years ago. "The Dayton auto show has the cleanest vehicles ever," said