SB338 Alabama 2016 Session

Summary

Primary Sponsor

Gerald H. AllenSenator

Republican

Session

Regular Session 2016

Title

Gas, natural gas, conversion of motor vehicles for operating on compressed natural or liquefied gas, extended weight allowances, Sec. 32-9-20 am'd.

Summary

SB338 would allow certain heavy trucks that run on compressed natural gas or liquefied natural gas to carry more weight on Alabama highways, with certification requirements.

What This Bill Does

The bill amends Alabama's weight limits to provide extra allowances for vehicles equipped to operate on CNG or LNG. Specifically, such vehicles could add 2,000 pounds to gross/axle/tandem/bridge weight limits if they have an EPA-certified natural gas engine or EPA-approved conversion unit and operate on natural gas. It also adds a 400-pound increase for vehicles using auxiliary power units (APUs) for idle reduction, provided the APU is certified, functional, and weight proof is available. These changes fit within the existing weight framework and enforcement rules, and the act takes effect a few months after passage and governor approval.

Who It Affects

• Commercial trucking operators or fleets that convert trucks to run primarily on compressed natural gas or LNG; they could carry up to an extra 2,000 pounds if certified and operating on natural gas.
• Operators of vehicles using auxiliary power units for idle reduction; they could gain an additional 400 pounds if the APU is certified, functional, and properly documented.

Key Provisions

• Amends Section 32-9-20 to allow an additional 2,000 pounds in gross/axle/tandem/bridge formula weight limits for vehicles that primarily operate on compressed natural gas or compressed liquefied gas, with proof of an EPA-certified natural gas engine or EPA-approved conversion unit and that the vehicle operates on such fuel.
• Adds a 400-pound increase to weight limits for vehicles using auxiliary power or idle reduction technology, contingent on written proof/certification of the APU’s weight and demonstration that the idle reduction technology is fully functional at all times.
• Maintains existing size and weight restrictions and enforcement practices, including tolerances and measurement methods, with these new allowances applying to the specified vehicle types.
• Effective date: the act becomes law on the first day of the third month after passage and governor approval.

AI-generated summary using openai/gpt-5-nano on Feb 24, 2026. May contain errors — refer to the official bill text for accuracy.

Subjects

Energy