What is the conversion rate for a gallon of CNG, LNG, and LPG?


The gasoline gallon equivalent for compressed natural gas shall be equal to 5.660 pounds of compressed natural gas. The diesel gallon equivalent for liquefied natural gas shall be equal to 6.060 pounds of liquefied natural gas. The gasoline gallon equivalent for liquefied petroleum gas shall be an energy equivalent rate equal to seventy-three percent of the state tax per gallon on gasoline and diesel fuel.

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News & Announcements

June 16, 2025

Suspects arrested, products seized and businesses closed in multi-agency vape crackdown

BATON ROUGE – A multi-agency state and federal crackdown on unauthorized vape products in Louisiana resulted in ten arrests and more than $1 million worth of illegal vape pens, pods, juices and other products taken off the streets.

June 12, 2025

Louisiana men arrested for gambling-related tax fraud scheme

BATON ROUGE – Two Louisiana men face felony charges for their alleged involvement in a scheme to steal of hundreds of thousands of dollars in state income tax refunds.

May 14, 2025

Tax preparer arrested for gambling-related tax fraud scheme

A Louisiana tax preparer faces felony charges over an alleged scheme to steal tens of thousands of dollars in fraudulent income tax refunds.


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