There is a clear growth in the number of hydrogen fuel cell vehicles on roads across Europe. Hydrogen refuelling stations are now available in several countries mapping the first hydrogen for transport network.
Like any conventional fuel, hydrogen quality needs to be monitored to avoid issues with vehicle breakdown; this is particularly important for fuel cell vehicles that can fail if even 4 nmol mol-1 (parts-per-billion) of hydrogen sulfide is present in the fuel.
The recent EU Directive 2014/94/EU (also known as the Alternative Fuels Infrastructure Directive) is undergoing transposition into national law, requiring that quality of the hydrogen supplied by refuelling stations comply with ISO 14687-2.
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