WI SB284

Creates a $1.50 per gallon income and franchise tax credit for sustainable aviation fuel produced in Wisconsin, effective for tax years beginning after December 31, 2027

Defines sustainable aviation fuel as aviation fuel where at least 90% is derived from synthetic, renewable, and nonpetroleum sources such as energy crops

Requires energy crops used to produce eligible sustainable aviation fuel to be grown within the United States

Allows partners, members of LLCs, and shareholders of tax-option corporations to claim the credit in proportion to their ownership interests, though the pass-through entities themselves cannot claim it

Credit applies against individual income tax (s. 71.02), corporate income tax (s. 71.23), and franchise tax (s. 71.43), up to the amount of tax owed