The following are the uses of taxed CNG for which a credit or refund may be allowable to an ultimate purchaser.
- On a farm for farming purposes.
- In an off-highway business use.
- In a boat engaged in commercial fishing.
- In certain intercity and local buses.
- In a school bus.
- In a qualified local bus.
- Exclusive use by a nonprofit educational organization.
- Exclusive use by a state, political subdivision of a state, or the District of Columbia.
- Use in a vehicle owned by an aircraft museum.
- Use in any boat operated by the United States for its exclusive use or any vessel of war of any foreign nation.