House File 463 H-1208 Amend House File 463 as follows: 1 1. Page 1, after line 8 by inserting: 2 < Sec. ___. Section 321.463, Code 2017, is amended 3 by adding the following new subsection: 4 NEW SUBSECTION . 4A. a. Notwithstanding any 5 provision of law to the contrary, a motor vehicle 6 equipped with an engine fueled primarily by natural 7 gas may exceed any applicable maximum gross weight 8 limit under this chapter, up to a maximum gross weight 9 of eighty-two thousand pounds, by an amount equal 10 to the difference between the weight of the vehicle 11 attributable to the natural gas tank and fueling system 12 installed in the vehicle and the weight of a comparable 13 diesel fuel tank and fueling system. 14 b. Notwithstanding any provision of law to the 15 contrary, a motor vehicle described in paragraph “a” 16 equipped with an auxiliary power or idle reduction 17 technology unit that reduces fuel use and emissions 18 during engine idling may exceed any applicable maximum 19 gross weight limit under this chapter by five hundred 20 fifty pounds or the weight of the auxiliary power or 21 idle reduction technology unit, whichever is less. 22 This paragraph “b” shall not apply unless the operator 23 of the vehicle provides to the department a written 24 certification of the weight of the auxiliary power 25 or idle reduction technology unit, demonstrates or 26 certifies to the department that the idle reduction 27 technology unit is fully functional at all times, and 28 carries with the operator the written certification of 29 the weight of the auxiliary power or idle reduction 30 technology unit in the vehicle at all times to 31 present to law enforcement in the event the vehicle 32 is suspected of violating any applicable weight 33 restrictions. > 34 2. By renumbering as necessary. 35 -1- HF463.1521 (1) 87 ns/nh 1/ 2 #1.