The city says it needs to save millions of dollars and one way is to put the firefighters onto a 24 hour shift.  The union argues the move would represent a cut to their hourly pay and also consider the new schedule potentially unsafe, citing fatigue near the end of a 24-hour shift.

 http://www.baltimoresun.com/news/maryland/politics/bs-md-ci-fire-hours-20130331,0,4249578.story