# Natural Gas and Propane Fuel Tax

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Email the Technical Response Service or call 800-254-6735.

Any individual using or selling compressed natural gas (CNG), liquefied natural gas (LNG), or liquefied petroleum gas (propane) as a motor fuel must report fuel use and remit taxes due to the Kansas Department of Revenue on a monthly basis. The minimum tax imposed on CNG is $0.24 per gasoline gallon equivalent (GGE), LNG is $0.26 per GGE, and propane is $0.23 per gallon. The state imposes a tax rate of $0.24 per gallon on conventional motor fuel.

Alternatively, CNG, LNG, and propane vehicle users may apply for special permit decals to pay motor fuel taxes on a mileage basis. The number of gallons used on Kansas highways is determined based on the following miles per gallon (mpg) estimates:

Gross Vehicle Weight Rating | MPG |
---|---|

6,000 pounds (lbs.) or less | 12 mpg |

6,001 to12,000 lbs. | 10 mpg |

12,001 to 24,000 lbs. | 7 mpg |

24,001 to 42,000 lbs. | 6 mpg |

42,001 to 66,000 lbs. | 4 mpg |

Over 66,000 lbs. | 3 mpg |

(Reference Kansas Statutes 79-34,141; 79-3490; and 79-3491a through 79-3492e)