Section 19-1101. Definitions

For  purposes  of  this  article,  the  following terms shall have the
  following meanings:
    1. "motor vehicle" shall mean a passenger  vehicle,  light-duty  truck
  with  a  gross  vehicle weight of eighty-five hundred pounds or less, or
  any other vehicle determined by the commissioner to be a  vehicle  whose
  primary  use  is  noncommercial  personal  transportation  and  which is
  manufactured for the model year two thousand  ten  or  subsequent  model
  year; and
    2.  "motor  vehicle  global  warming  gases" or "global warming gases"
  shall mean carbon dioxide, methane, nitrous  oxide,  hydrofluorocarbons,
  perfluorocarbons, and sulfur hexafluoride.