Finally?
http://www.nytimes.com/2016/01/28/nyregion/open-subway-cars-may-come-to-new-york-city-as-early-as-2020.html?module=WatchingPortal®ion=c-column-middle-span-region&pgType=Homepage&action=click&mediaId=wide&state=standard&contentPlacement=3&version=internal&contentCollection=www.nytimes.com&contentId=http%3A%2F%2Fwww.nytimes.com%2F2016%2F01%2F28%2Fnyregion%2Fopen-subway-cars-may-come-to-new-york-city-as-early-as-2020.html&eventName=Watching-article-click
another article:
http://www.amny.com/news/subway-cars-of-future-include-wi-fi-cameras-charging-stations-1.11391990