This will help save lives...and it is such a simple, inexpensive change / addition.  Here are real world examples of crashes that could be prevented with brake lights on the fronts of cars:

http://westseattleblog.com/2012/10/at-least-2-hurt-in-arbor-heights-crash​

http://galvestondailynews.com/story/352330​

http://www2.wsls.com/news/2012/oct/03/roanoke-county-crash-sends-two-hospital-ar-2256078/​

http://www.kitsapsun.com/news/2012/sep/27/four-injured-in-crash-in-port-orchard/​

http://www.ksl.com/?sid=22308793&nid=148​

 http://westborough.patch.com/articles/at-the-rotary-a-failure-to-yield​

http://rumson.patch.com/articles/nearby-two-car-crash-injures-two