Funding of the San Joaquin Valley Unified Air Pollution Control District, or, if the unified district ceases to exist, of the valley district if created pursuant to Section 5 of Chapter 915 of the Statutes of 1994, may be provided by, but is not limited to, grants, subventions, permit fees, penalties, and vehicle license fees. Notwithstanding any other provision of law, no funding contribution shall be required from the counties or cities included in the unified district or valley district.