88R21074 DRS-F By: Harris of Williamson H.B. No. 3484 A BILL TO BE ENTITLED AN ACT relating to weight limitations for hydrogen fueled motor vehicles. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Section 621.101(b-1), Transportation Code, is amended to read as follows: (b-1) Notwithstanding any other provision of this section, a vehicle or combination of vehicles that is powered by an engine fueled primarily by natural gas or hydrogen may exceed any weight limitation under this section by an amount that is equal to the difference between the weight of the vehicle attributable to the natural gas or hydrogen tank and fueling system carried by that vehicle and the weight of a comparable diesel tank and fueling system, provided that the maximum gross weight of the vehicle or combination of vehicles may not exceed 82,000 pounds. SECTION 2. (a) Except as otherwise provided by this section, this Act takes effect September 1, 2023. (b) This Act takes effect only if the United States Congress enacts legislation or a federal agency adopts a regulation that becomes law authorizing a vehicle that is powered by an engine fueled primarily by hydrogen to be operated on a federal interstate or highway at a weight that exceeds a weight limitation established by federal law. If the United States Congress or a federal agency does not enact legislation or adopt a regulation that becomes law described by this subsection, this Act has no effect.