The purpose of this document is to define design, construction, operational, and maintenance requirements for hydrogen fuel storage and handling systems in on-road vehicles.

Performance-based requirements for verification of design prototype and production hydrogen storage and handling systems are also defined in this document. Complementary test protocols (for use in type approval or self-certification) to qualify designs (and/or production) as meeting the specified performance requirements are described.

Crashworthiness of hydrogen storage and handling systems is beyond the scope of this document. SAE J2578 includes requirements relating to crashworthiness and vehicle integration for fuel cell vehicles. It defines recommended practices related to the integration of hydrogen storage and handling systems, fuel cell system, and electrical systems into the overall Fuel Cell Vehicle.

NOTE: Ultimate design qualification for crash impact resistance is achieved by demonstrated compliance of the vehicle with applicable regulations.

Application

This SAE Technical Information Report specifies design qualification (performance verification) tests and criteria for hydrogen storage and handling systems.

During the 2008-2009 period, it is expected that storage systems within on-road vehicles may not yet incorporate systems consistent with these requirements. Since the 2008-2009 period is one of evaluation and preliminary use of the specifications herein, this document should not be used as a requirement to qualify vehicles for on-road use.

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