SNCF Class Z 50000 SNCF Class Z 50000 The SNCF Z 50000 is an electric multiple unit train built by Bombardier Transportation (manufacturer's designation SPACIUM 3.O6) for the French rail operator SNCF, for use under Transilien operations in the Île-de-France. It is commonly called ‘Francilien’, and sometimes ‘NAT’ (for , which was its project name). In 2004, the STIF (regional transit authority) began the tendering process for approximately 180 new EMUs to replace SNCF's aging stainless-steel single-deck suburban fleet. This stock nicknamed "inox " (short for "[acier] inoxydable": stainless steel) comprised EMUs Classes Z 5300, Z 6100, Z 6400 and similar push-pull trainsets known
SNCF "broken nose" style of electric and diesel locomotives. SNCF is recognized as a leader in eco-mobility with a commitment to become the world’s first operator to offer carbon neutral travel at no extra cost to travelers. SNCF has cut emissions on its cross-channel Paris to London route by 31% in two years by using more electricity from non-fossil fuel sources. SNCF's 39 manufacturing facilities are in the process of “going green” and 9 sites are already ISO 14000 certified. SNCF developed an interactive website to help travelers calculate the environmental impact of their travel choices. In May 2014, the company