Establishes a tax credit for sustainable aviation fuel distribution in Hawaii to reduce greenhouse gas emissions. Provides $1 per gallon, increasing by 2 cents per additional 1 per cent emissions reduction, up to $2 per gallon. Caps total credits at $20,000,000 annually, with carryover provisions. Requires reporting to ensure transparency and compliance. Applies to taxable years beginning after December 31, 2026, and sunsets on December 31, 2035. Effective 7/1/3000. (HD2)