http://www.autoblog.com/2015/09/11/ten-automakers-agree-automatic-braking-standard/
"Ten major automakers pledged Friday they would soon make crash-prevention technologies like automatic emergency braking available on all new vehicles built. Details are still being ironed out, and a timeline will be established in the months ahead. In a written release, the Department of Transportation said the agreement will be implemented "as soon as possible." The ten automakers are Audi, BMW, Ford, General Motors, Mazda, Mercedes-Benz, Tesla, Toyota,Volkswagen, and Volvo..."