Several heavy-duty manufacturers like Freightliner, Paccar, JCB, and Volvo are turning to hydrogen to fuel their next generation vehicles.  Whether using an ICE or FCEV both need to store hydrogen on-board.  We’ve learned a lot in the past 15 years from powering vehicles with natural gas.  What should you consider when designing and maintaining a hydrogen fuel system (HFS).  This presentation will look at the sub-systems of a HFS along with industry standards and best practices.