Airlines for America (A4A) applauded the approval and publication of a new SAF specification that will further enable the use of environmentally friendly jet fuels.

The specification was approved and published by ASTM International, with support from CAAFI, which A4A co-founded in 2006. The new annex to the SAF specification, D7566, establishes criteria for the production and use of what is referred to as catalytic hydrothermolysis jet fuel (CHJ), a type of synthetic kerosene. The standard provides that CHJ fuel, which was developed by Applied Research Associates (ARA), may be blended at up to 50 percent by volume with conventional jet fuel. It represents the sixth approved pathway for the production of SAF.

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