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Liquefied natural gas (LNG) that is of a specification with very low, high heating value (HHV). Lean LNG liquid stream is predominately methane with some minor quantities of ethane. Lean LNG may be required to meet fuel quality specifications and standards required by LNG-powered vehicles and other LNG-fuelled equipment. Leaner LNG can be produced through the extraction of the heaviest components, namely the LPGs, propane and butane. Rich LNG, or Hot LNG, with high HHV also produced for some market segments.
* see also hot LNG