; (2) by striking and other and inserting , other ; (3) by striking the period and inserting , and sustainable fuel that can be used without the need to blend with any other type of aviation fuel; ; and (4) by adding at the end the following: (2) promote the efforts of the aviation sector to become a net-zero greenhouse gas emitting sector; (3) study the climate impacts of non-carbon dioxide greenhouse gas emissions, water vapor, and contrails and ways to minimize such impacts; and (4) develop a methodology for quantifying the non-carbon dioxide climate impacts of aviation in a lifecycle analysis, including the benefits of sustainable aviation fuel other than the reduction in carbon dioxide emissions. . (b) Definitions Section 911 of such Act is amended by adding at the end the following: (e) Definitions In this section: (1) Sustainable aviation fuel The term sustainable aviation fuel means liquid fuel consisting of synthesized hydrocarbons that— (A) is derived from a qualified feedstock