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IL HB4399

IL HB4399
VEH CD-BIODIESEL USE


summary

Introduced
01/13/2026
In Committee
02/11/2026
Crossed Over
Passed
Dead

Introduced Session

104th General Assembly

Bill Summary

Amends the Illinois Vehicle Code. Provides that, beginning July 1, 2027, a diesel powered vehicle owned or operated by the State, any county or unit of local government, any school district, any community college or public college or university, or any mass transit agency must use a biodiesel blend that contains 19%, unless the engine is designed or retrofitted to operate on a higher percentage of biodiesel or on ultra low sulfur fuel. Allows, in December, January, February, and March, a biodiesel blend of at least 10% to be used. Effective immediately.

AI Summary

This bill amends the Illinois Vehicle Code to require certain government-owned or operated diesel vehicles, including those belonging to the State, counties, local governments, school districts, community colleges, public universities, and mass transit agencies, to use a biodiesel blend containing 19% biodiesel starting July 1, 2027, unless the vehicle's engine is designed or retrofitted for higher biodiesel percentages or ultra-low sulfur fuel. Biodiesel is a fuel derived from vegetable oils or animal fats, and a "biodiesel blend" refers to a mixture of biodiesel and conventional diesel fuel. The bill also allows for a biodiesel blend of at least 10% to be used during the months of December, January, February, and March. This change builds upon an existing requirement for a 5% biodiesel blend, aiming to increase the use of this renewable fuel in public transportation and government fleets.

Committee Categories

Transportation and Infrastructure

Sponsors (1)

Last Action

House Transportation: Vehicles & Safety Committee Hearing (10:00:00 2/25/2026 Room 122) (on 02/25/2026)

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