In this chapter:
(1) "Commission" means the Railroad Commission of Texas.
(2) "Hazardous liquid" means:
(A) petroleum or any petroleum product;
(B) nonpetroleum fuel, including biofuel, that is flammable, toxic, or corrosive or would be harmful to the environment if released in significant quantities; and
(C) a substance or material, other than liquefied natural gas, determined by the United States secretary of transportation to pose an unreasonable risk to life or property when transported by a hazardous liquid pipeline facility in a liquid state.
(3) "Transportation of hazardous liquids or carbon dioxide" means the movement of hazardous liquids or carbon dioxide by pipeline, or their storage incidental to movement, except that it does not include any such movement through gathering lines in rural locations or production, refining, or manufacturing facilities or storage or in-plant piping systems associated with any of those facilities.
(4) "Pipeline facilities" includes new and existing pipe, rights-of-way, and any equipment, facility, or building used or intended for use in the transportation of hazardous liquids or carbon dioxide.