Colorado Fuel Update
Road Usage Fee (RUF) and Bridge and Tunnel Impact Fee (BTI)
Effective July 1, 2024, the Bridge and Tunnel Impact (BTI) fee for special fuel (excluding dyed) is $0.04 per gallon. And the Road Usage (RUF) fee is $0.04 per gallon. This fee applies to clear diesel, gasoline, gasohol (E-10, E85), ethanol, methanol, M-85, M-85, A55, and biodiesel.
Per SB21-260: Both fees will increase on July 1 annually through July 1, 2028. Starting with the period ending 09/30/2022, these fees are included in the tax rates on your IFTA tax return (DR 0122) filed through Revenue Online. After June 2032 the bridge and tunnel impact fee and the road usage fee rates will be adjusted annually based on inflation. By statute, the Department must publish the new rate annually by April 15 for the upcoming rate effective in July.
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