VEH CD-BIODIESEL USE

Session: 104th General Assembly
Year: 2026
Bill #: HB4399
Category: Transportation and Infrastructure
Position: Oppose
Mandate? Yes
Revenue Loss?
Authority Preemption?

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Summary as Introduced

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.



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