SNCF Lipietz case) in France as well as in the United States (where subsidiary Keolis is a transportation contractor) to the present day. In 1992 SNCF commissioned French academics to write a history of SNCF activities during World War II. The resultant report was published in 1996. More recently, some sources have claimed that SNCF billed Nazi-occupied France for third-class tickets for Holocaust victims transported to extermination camps, although passengers were transported in cattle cars. Other sources have reported that after the liberation of France SNCF continued to seek payment for transporting Holocaust victims to Germany. However, historian Michael Marrus has
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