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sustainable aviation fuel
Sustainable aviation fuel (SAF) is the name given to advanced aviation biofuel types used in jet aircraft and certified as being sustainable by a reputable independent third-party, such as the Roundtable on Sustainable Biomaterials (RSB). This certification is in addition to the safety and performance certification, issued by global standards body ASTM, that all jet fuel is required to meet in order to be approved for use in regular passenger flights.
==Certification==
A SAF sustainability certification verifies that the fuel product, mainly focussing on the biomass feedstock, has met criteria focussed around long-term global environmental, social and economic "triple-bottom-line" sustainability considerations. Under many carbon emission regulation schemes, such as the European Union Emissions Trading Scheme, a certified SAF product may be granted an exemption from an associated carbon compliance liability cost.〔(【引用サイトリンク】title=Sustainability schemes for biofuels )〕 This marginally improves the economic competitiveness of environmentally favourable SAF over traditional fossil-based jet fuel. However, in the near term there are several commercialisation and regulatory hurdles that are yet to be overcome through the collaboration of a variety of stakeholders for SAF products to meet price parity with traditional jet fuel and to enable widespread uptake.
The first reputable body to launch a sustainable biofuel certification system applicable to SAF was the academic European-based Roundtable on Sustainable Biomaterials (RSB) NGO. This multi-stakeholder organization set a global benchmark standard on which the sustainability integrity of advanced aviation biofuel types seeking to use the claim of being a Sustainable Aviation Fuel can be judged. Leading airlines in the aviation industry and other signatories to the Sustainable Aviation Fuel Users Group pledge support the RSB as the preferred provider of SAF certification.〔()〕 These airlines believe it important for any proposed aviation biofuels have independently certified sustainable biofuel long term environmental benefits compared to the status quo in order to ensure their successful uptake and marketability
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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