New standard for gas-to-liquids fuels approved

ASTM International released a new specification that fully and unconditionally approves the use of gas-to-liquids kerosene blends for powering commercial aircraft. The new specification, ASTM D7566 'Aviation Turbine Fuel Containing Synthesized Hydrocarbons' approves jet fuel containing up to 50% gas-to-liquids (GTL) kerosene for use in civil aviation. The blends will be known as GTL jet fuel.