In this chapter:
(1) “Alternative fuel” means a fuel other than gasoline or diesel fuel, other than biodiesel fuel, including electricity, compressed natural gas, liquefied natural gas, hydrogen, propane, or a mixture of fuels containing at least 85 percent methanol by volume.
(1-a) “Clean transportation zone” means:
(A) counties containing or intersected by a portion of an interstate highway connecting the cities of Houston, San Antonio, Dallas, and Fort Worth;
(B) counties located within the area bounded by the interstate highways described by Paragraph (A);
(C) counties containing or intersected by a portion of:
(i) an interstate highway connecting San Antonio to Corpus Christi or Laredo;
(ii) the most direct route using highways in the state highway system connecting Corpus Christi and Laredo; or
(iii) a highway corridor connecting Corpus Christi and Houston;
(D) counties located within the area bounded by the highways described by Paragraph (C);
(E) counties in this state all or part of which are included in a nonattainment area designated under Section 107(d) of the federal Clean Air Act (42 U.S.C. § 7407); and
(F) counties designated as affected counties under Section 386.001.
(2) “Commission” means the Texas Commission on Environmental Quality.
(3) “Program” means the Texas alternative fueling facilities program established under this chapter.