The China Urban Gas Hydrogen Energy Development Innovation Alliance recently released three new standards: *General Principles for Hydrogen Energy Technology Assessment*, *Specifications for In-Pipe Inspection Reports for Urban Gas Pipelines*, and *Evaluation Methods for Service Life Testing of Stationary Proton Exchange Membrane Fuel Cell Stacks*.

Notably, HuaDe Hydrogen Energy Technology Co., Ltd. took the lead in drafting the standard T/CHAG 7—2023, titled *Evaluation Method for Lifetime of Proton Exchange Membrane Fuel Cell Stacks in Stationary Power Generation Applications*.
This standard specifies the test methods for evaluating the service life of stationary proton exchange membrane (PEM) fuel cell stacks. It is applicable to stationary PEM fuel cell stacks operating under conditions utilizing pure hydrogen or hydrogen-rich gases.
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