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HB81 Alabama 2017 Session

Updated Feb 24, 2026

Summary

Primary Sponsor
Kyle South
Kyle South
Republican
Session
Regular Session 2017
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

HB81 would let vehicles converted to run on compressed natural gas or compressed liquefied gas carry more weight on Alabama highways.

What This Bill Does

The bill updates Alabama's weight rules to allow higher weights for vehicles that have conversion equipment enabling operation on CNG or LNG. It also adds a 400-pound extra weight allowance for vehicles with auxiliary power or idle reduction technology, provided proof/certification shows the system is functional. Additionally, vehicles on federal interstate highways that operate mainly on CNG/LNG could receive up to 2,000 extra pounds if they have an EPA-certified natural gas engine or EPA-approved conversion unit and can prove it operates on the fuel. The changes would take effect three months after the governor signs the bill.

Who It Affects
  • Trucking companies and drivers with vehicles converted to run on compressed natural gas or compressed liquefied gas, who could carry more weight if conditions are met.
  • Operators using auxiliary power units or idle reduction technology, who could receive an extra 400 pounds of weight with proper certification.
Key Provisions
  • Amends Section 32-9-20 to allow weight increases for vehicles with conversion equipment enabling operation on compressed natural gas or compressed liquefied gas.
  • Adds a 400-pound additional weight allowance for vehicles utilizing auxiliary power or idle reduction technology, requiring certification and proof of functionality.
  • Allows up to 2,000 extra pounds on federal interstate highways for vehicles that operate primarily on CNG/LNG, with proof of EPA-certified engine or EPA-approved conversion unit installed and operating on the fuel.
  • Effective date: becomes law on the first day of the third month following 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

Bill Actions

H

Indefinitely Postponed

H

Transportation, Utilities and Infrastructure first Substitute Offered

H

Read for the second time and placed on the calendar with 1 substitute and

H

Read for the first time and referred to the House of Representatives committee on Transportation, Utilities and Infrastructure

Bill Text

Documents

Source: Alabama Legislature