The Commission on Environmental Quality amended 30 Tex. Admin. Code §§114.650, .653, and .656, pertaining to the Texas Clean Fleet Program. Amendments incorporate a change to the Texas Health and Safety Code that specified grant amounts for replaced heavy-duty or light-duty diesel engines. See http://www.sos.state.tx.us/texreg/archive/April252014/Adopted%20Rules/30.ENVIRONMENTAL%20QUALITY.html#191.