HCNG

HCNG or H2CNG (hydrogen compressed natural gas) is a mixture of compressed natural gas and 4–9 percent hydrogen by energy. It may be used as a fuel gas for internal combustion engines and home appliances.

(regarding the acronyms in the above emissions chart:

AVL = Average Levels?
CNG = Compressed Natural Gas
HCNG = Hydrogen and CNG blend
NO_X = Nitrogen Oxides
NMHC = Non-Methane Hydrocarbons?
CH₄ = Methane
THC = Total Hydrocarbons?
CO = Carbon Monoxide)

HCNG dispensers can be found at Hynor (Norway) Thousand palms and Barstow, California, Fort Collins, Colorado (all US), Chongqing and Shanxi (China), Pico Truncado (Argentina), Islamabad (Pakistan), Dunkerque (France), Gothenburg Sweden, Rio de Janeiro (Brazil), Emilia-Romagna, Lombardia (Italy), Dwarka and Faridabad (Delhi), India and the BC hydrogen highway in Canada.

HCNG for mobile use is premixed at the hydrogen station.

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