A portal website bringing together vital information about natural gas and natural gas vehicles.

Federal Policy Data














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Historical Data (2000-2010)













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Open NGV Grant Solicitations






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State Policy Data

Hover mouse over state for fuel tax info; click each state for full details.




Click to view Colorado NGV DataPumpIcon Colorado State Fuel Taxes
CNG -6.0 ¢ / GGE (126.67cf)
LNG -5.0 ¢ / DGE (128K BTU)
Gasoline - 22.0 ¢ / Gallon
Diesel - 20.5 ¢ / Gallon

Click to view New Mexico NGV dataPumpIcon New Mexico State Fuel Taxes
CNG -13.3 ¢ / Gallon (126.67 cu ft) **
LNG -20.6 ¢ / Gallon (6.06 lbs) **
Gasoline - 17.0 ¢ / Gallon
Diesel - 21.0 ¢ / Gallon

** NOTE: As of July 1, 2014, fuel taxes will change in response to HB30. CNG - 13.3 ¢ / Gallon (126.67 cu ft, LNG - 20.6 ¢ / Gallon (6.06 lbs). Decal system will end.PumpIcon Utah State Fuel Taxes
CNG - 12.5 ¢ / Gasoline Gallon Equivalent
LNG - 12.5 ¢ / Diesel Gallon Equivalent
Gasoline - 29.4 ¢ / Gallon
Diesel - 29.4 ¢ / Gallon

State and local Governments and Indian tribes can be exempt from motor fuel taxes.PumpIcon Arizona State Fuel Taxes
CNG - None
LNG - None
Gasoline - 18.0 ¢ / Gallon
Diesel - 26.0 ¢ / GallonPumpIcon Texas State Fuel Taxes
CNG - 15.0 ¢ / Gallon
LNG - 15.0 ¢ / Gallon
Gasoline - 20.0 ¢ / Gallon
Diesel - 20.0 ¢ / GallonPumpIcon Wyoming State Fuel Taxes
CNG - 24.0 ¢ / Gallon
LNG - 24.0 ¢ / Gallon
Gasoline - 24.0 ¢ / Gallon
Diesel - 24.0 ¢ / Gallon
PumpIcon Louisiana State Fuel Taxes
CNG -16.0 ¢ / Gallon**
LNG -16.0 ¢ / Gallon**
Gasoline - 16.0 ¢ / Gallon
Diesel - 16.0 ¢ / Gallon

**The Special Fuels Tax rate is 20.0 ¢ / Gallon,
however, the statute requires payment
of the tax at 80% of the tax rate.

Louisiana also applies a 0.34 ¢ / Gallon Inspection Fee..PumpIcon Arkansas State Fuel Taxes
CNG - 5.3 ¢ / GGE
LNG - 5.3 ¢ / Gallon
Gasoline - 21.5 ¢ / Gallon
Diesel - 22.5 ¢ / Gallon

NOTE: LNG tax is for out-of-state. Instate requires annual permit.PumpIcon Mississippi State Fuel Taxes
CCNG -18.4 ¢ / CCF*
LNG -18.4 ¢ / CCF*
Gasoline - 18.4 ¢ / Gallon
Diesel - 18.4 ¢ / Gallon

* Mississippi also levies a $195 privilege tax
on all CNG vehicles below 10K pounds in
the state, $225 to $300 for 10K pounds
and up- Reference and Reference. The
code also specifies varying tax rates
based on dates for both CNG and LNG.
See Current Legislation Mississippi
Code 27-55 for Tax information.PumpIcon Missouri State Fuel Taxes
CNG -5.0 ¢ / GGE (5.66Lbs or apply for an Annual Decal **
LNG -5.0 ¢ / GGE (6.06Lbs or apply for an Annual Decal **
Gasoline - 17.30 ¢ / Gallon
Diesel - 17.30 ¢ / Gallon

Out of state vehicles must purchase a
temporary AFV decal for $8.PumpIcon Oklahoma State Fuel Taxes
CNG - 5.0 ¢ / GGE
LNG - 5.0 ¢ / GGE as if January 1, 2014
Gasoline - 16.0 ¢ / Gallon
Diesel - 13.0 ¢ / GallonPumpIcon California State Fuel Taxes
CNG - .0887 ¢ / 126.67 Cubic Feet
LNG - .1017 ¢ / 6.06 Pounds
Gasoline - 27.8 ¢ / Gallon
Diesel - 16.0 ¢ / GallonPumpIcon Ohio State Fuel Taxes
CNG -None
LNG -28.0 ¢ / Gallon
Gasoline - 28.0 ¢ / Gallon
Diesel - 28.0 ¢ / Gallon

See Current Legislation and Information Sheets for additional Tax information.PumpIcon Idaho State Fuel Taxes
CNG -32.0 ¢ / GGE
LNG -34.9 ¢ / DGE
Gasoline - 32.0 ¢ / Gallon
Diesel - 32.0 ¢ / Gallon

Idaho also imposes a 1.0 ¢ / Gallon Transfer Fee on most petroleum products. This fee is collected at distribution point, but if often passed on to the consumer.PumpIcon Pennsylvania State Fuel Taxes
CNG -40.7 ¢ / Gallon Equivalent
LNG -26.5 ¢ / Gallon
Gasoline - 40.7 ¢ / Gallon
Diesel - 51.0 ¢ / Gallon
Pennsylvania charges a fuel tax and an oil company franchise tax.
The two combined equal the total state fuel tax. Alternative fuels
are taxed on an energy equivalency basis.PumpIcon West Virginia State Fuel Taxes
CNG -23.6¢ per GGE 5.66 lbs. or 126.67 cu. ft **
LNG -15.2¢ per gallon or 24.4¢ per 1.554 gallons of LNG **
Gasoline - 32.2¢ / Gallon **
Diesel - 32.2¢ / Gallon **

PumpIcon Montana State Fuel Taxes
CNG - 7.0 ¢ / Gallon Equivalent
LNG - 27.0 ¢ / Gallon **
Gasoline - 27. 0 ¢ / Gallon
Diesel - 27.75 ¢ / Gallon

PumpIcon Tennessee State Fuel Taxes
CNG -13.0 / 14.4 ¢ / Gallon Equivalent**
LNG -14.0 / 15.4 ¢ / Gallon **
Gasoline - 20.0 / 21. 4 ¢ / Gallon **
Diesel - 17.0 / 18.4 ¢ / Gallon **

**Tennessee imposes a special tax of 1 cent and
an environmental fee of .4 cents on all petroleum products.
1st number reflects base rate.
2nd number reflects base rate plus these additional fees.PumpIcon Kansas State Fuel Taxes
CNG -24.0 ¢ / 126.67 CF = gallon
LNG -26.0 ¢ / Gallon - Defined as 6.06 lbs
Gasoline - 24.0 ¢ / Gallon
Diesel - 26.0 ¢ / Gallon
PumpIcon Michigan State Fuel Taxes
CNG -26.3 ¢ / Gallon
LNG -26.3 ¢ / Gallon
Gasoline - 26.3 ¢ / Gallon
Diesel - 26.3 ¢ / Gallon

Michigan defines Natural Gas as "Gasoline"for purposes of taxation.PumpIcon Alabama State Fuel Taxes
CNG -19.0 ¢ / Gallon** - Annual decal
LNG -19.0 ¢ / Gallon** - Annual decal
Gasoline - 16.0 ¢ / Gallon
Diesel - 19.0 ¢ / Gallon

** Out of state tax only - in state requires decalPumpIcon Nevada State Fuel Taxes
CNG - 21.0 ¢ / .8 = gallon equivalent
LNG - 27.75 ¢ / Gallon
Gasoline - 23.8 ¢ / Gallon
Diesel - 27.75 ¢ / Gallon

Nevada's fuel taxes are managed by their DMV. Nevada adds a cleanup fee and an inspection fee in fuel taxes - they are reflected above.PumpIcon North Dakota State Fuel Taxes
CNG -23.0 ¢ / 120 CF = gallon
LNG - 23.0 ¢ / Gallon
Gasoline - 23.0 ¢ / Gallon
Diesel - 23.0 ¢ / Gallon

ND imposes a 4.0 ¢ / Gallon additional excise tax on CNG and LNG (Special Fuels)PumpIcon South Dakota State Fuel Taxes
CNG -28.0 ¢ / 126.67 CF = gallon
LNG - 28.0 ¢ / 1.5536 Gallon
Gasoline - 28.0 ¢ / Gallon
Diesel - 28.0 ¢ / GallonPumpIcon Nebraska State Fuel Taxes
CNG -27.3 ¢ / GGE **
LNG -27.3 ¢ / Gallon **
Gasoline - 27.3 ¢ / Gallon
Diesel - 27.3 ¢ / Gallon

Nebraska tax rates are updated in January and June of each year.

Nebraska has a Petroleum Release Remedial Action Fee (PRF) of 9.0 cents on gasoline, and 3.0 cents on diesel. It does not apply to alternative fuels.PumpIcon Washington State Fuel Taxes
CNG - 49.4 ¢ / 100SqFt
LNG - 49.4 ¢ / Gallon
Gasoline - 49.4 ¢ / Gallon
Diesel - 49.4 ¢ / GallonPumpIcon Oregon State Fuel Taxes
CNG -30.0 ¢ / GGE **
LNG -30.0¢ / Gallon
Gasoline - 30.0¢ / Gallon
Diesel - 30.0¢ / Gallon

**Divide gallon by 1.2 to obtain GGEPumpIcon Minnesota State Fuel Taxes
CNG -2.174 ¢ / Thousand Cubic Feet
LNG -15.0 ¢ / Gallon
Gasoline - 28.0 ¢ / Gallon
Diesel - 28.0 ¢ / Gallon

Minnesota also has a 3.0 cent inspection and cleanup fee on fuels. (Added to Gas and Diesel above)PumpIcon Iowa State Fuel Taxes
CNG -31.0 ¢ / 100 Cubic Foot
LNG -32.5 ¢ / Gallon **
Gasoline - 21.0 ¢ / Gallon
Diesel - 22.5 ¢ / Gallon

**SB-257 - Increases taxes on motor fuels by 10 cents
including on CNG and LNG.
Effective March 1, 2015PumpIcon Wisconsin State Fuel Taxes
CNG -24.7 ¢ / Gallon**
LNG -19.7 ¢ / Gallon
Gasoline - 30.9 ¢ / Gallon *
Diesel - 30.9 ¢ / Gallon *

* Wisconsin also imposes a 2.0 ¢ / Gallon Petroleum
Inspection fee on Gasoline and Diesel.
**Gallon equivalent is based on a
calculation based on BTUsPumpIcon Illinois State Fuel Taxes
CNG -19.0 ¢ / Gallon
LNG - 19.0 ¢ / Gallon
Gasoline - 19.0 ¢ / Gallon
Diesel - 21.5 ¢ / Gallon

Illinois also imposes an Underground Storage
Tank Rate of three-tenths of one cent ($.003)
per gallon of fuel. The Environmental Impact
Fee rate is $60 per 7,500 gallons
(eight-tenths of one cent [$.008] per gallon)
of fuel sold.PumpIcon Indiana State Fuel Taxes
CNG -16.0 ¢ / Gallon**
LNG -16.0 ¢ / Gallon**
Gasoline - 18.0 ¢ / Gallon
Diesel - 16.0 ¢ / Gallon

Indiana also imposes a 1.0 ¢ / Gallon Oil Inspection Fee on all motor fuels.

**Indiana has a decal registration-only requirement for AFVs.PumpIcon Kentucky State Fuel Taxes
CNG -21.6 ¢ / Gallon
LNG -21.6 ¢ / Gallon
Gasoline - 24.6 ¢ / Gallon
Diesel - 21.6 ¢ / Gallon

Kentucky does not publically publish
motor fuel tax rates. Tax
rates were confirmed by calling
their Motor Fuel Division at 502-564-3853. Updated by phone 10/2016PumpIcon Florida State Fuel Taxes
CNG - 0 ¢ / Gallon
LNG - 0 ¢ / Gallon
Gasoline - 28.5 ¢ / Gallon
Diesel - 31.6 ¢ / Gallon


Florida's Alternative Fuel Decal program ended 1/1/2014 and CNG and LNG will enter a planned 5-year moratorium on excise taxes.PumpIcon Georgia State Fuel Taxes
CNG -26.3 ¢/GGE(~.8 Gallons)
LNG -26.3 ¢/Gallon
Gasoline - 26.3 ¢/Gallon
Diesel - 29.4 ¢/Gallon

NOTE: Georgia also imposes an additional
7.5 ¢ / Gallon excise tax on the sale of
all motor fuels. State, counties and
municipality vehicles pay a lower rate.PumpIcon South Carolina State Fuel Taxes
CNG -16.0 ¢ / Gallon
LNG -16.0 ¢ / Gallon
Gasoline - 16.0 ¢ / Gallon
Diesel - 16.0 ¢ / Gallon

An inspection fee in the amount of $.0025 and
an environmental impact fee of
$.0050 are imposed on all petroleum products.
These fees are not imposed on liquid
propane gas or compressed natural gas
use for on road purposes.PumpIcon North Carolina State Fuel Taxes
CNG - 34.3 ¢ / 5.660 lbs. / Gallon
LNG -34.3 ¢ / Gallon
Gasoline - 34.3 ¢ / Gallon
Diesel - 34.3 ¢ / GallonPumpIcon Virginia State Fuel Taxes
CNG -16.2 ¢ / GGE = 126.67 Cubic Feet
LNG -16.2 ¢ / GGE = 1.5362 Gallons
Gasoline - 16.2 ¢ / Gallon Reference
Diesel - 20.2 ¢ / Gallon
PumpIcon Maryland State Fuel Taxes
CNG -33.5 ¢ / Gallon
LNG -33.5 ¢ / Gallon
Gasoline - 33.5 ¢ / Gallon
Diesel - 34.2 ¢ / GallonPumpIcon Delaware State Fuel Taxes
CNG -22.0 ¢ / Gallon
LNG -22.0 ¢ / Gallon
Gasoline - 23.0 ¢ / Gallon
Diesel - 22.0 ¢ / Gallon

Delaware's motor fuel taxes are regulated by the
Delaware Department of Transportation.PumpIcon New Jersey State Fuel Taxes
CNG -5.5 ¢ / Gallon
LNG -5.5 ¢ / Gallon
Gasoline - 10.5 ¢ / Gallon
Diesel - 13.5 ¢ / GallonPumpIcon New York State Fuel Taxes
CNG - None
LNG - None
Gasoline - 18.4 ¢ / Gallon
Diesel - 16.65 ¢ / GallonPumpIcon Vermont State Fuel Taxes
CNG - None
LNG - None
Gasoline - 18.3 ¢ / Gallon **
Diesel - 31.0 ¢ / Gallon ***
Vermont also currently imposes an additional tax of
2% of the average quarterly retail price as a
Motor Fuel Transportation Infrastructure Assessment (Gasoline)
as of this writing was .0636 ¢ / Gallon.
This value changes quarterly, so click the Reference
to learn the current quarterly rate.
** Includes a 1.0 ¢ / Gallon Petroleum Clean Up fee.
*** Includes a 3.0 ¢ / Gallon Petroleum Clean Up fee.PumpIcon New Hampshire State Fuel Taxes
CNG - None
LNG - None
Gasoline - 19.625 ¢ / Gallon
Diesel - 19.625 ¢ / Gallon

No references found in tax codes nor state
sites to tax rates on alternative fuels.PumpIcon Connecticut State Fuel Taxes
CNG -26.0 ¢ / Gallon
LNG - 26.0 ¢ / Gallon
Gasoline - 25.0 ¢ / Gallon
Diesel - 51.2 ¢ / Gallon

PumpIcon Massachusetts State Fuel Taxes
CNG - 16.3 ¢ / Gallon
LNG - 16.3 ¢ / Gallon
Gasoline - 24.0 ¢ / Gallon
Diesel - 24.0 ¢ / Gallon PumpIcon Maine State Fuel Taxes
CNG -24.3 ¢ /100 CF
LNG -17.8 ¢ / Gallon
Gasoline - 30.0 ¢ / Gallon
Diesel - 31.2 ¢ / GallonPumpIcon Rhode Island State Fuel Taxes
CNG - None *
LNG - 32.0 ¢ / Gallon **
Gasoline - 32.0 ¢ / Gallon
Diesel - 32.0 ¢ / Gallon

The state also charges a 1.0 ¢ / Gallon regulatory
fee for any fuel that is stored in an underground
tank. Any fuel that is imported into RI via
water is subject to an additional 5.0 ¢
/ Gallon import tax.
* RI Statute specifically defines "Liquid" fuels
** Rhode Island offers a tax exemption for
alternative fuels used by fleets consisting
of 10 or more alternative fueled vehicles.PumpIcon Alaska State Fuel Taxes
CNG - 8.0 ¢ / Gallon **
LNG - 8.0 ¢ / Gallone **
Gasoline - 8.0 ¢ / Gallon
Diesel - 8.0 ¢ / Gallon

** 6/2012 - Email confirmation from Alaska State Tax
Auditor that CNG and LNG are subject to the 8 cent
motor fuel tax. While they are not mentioned
specifically, the state taxes any motor fuel.PumpIcon Hawaii State Fuel Taxes
CNG - 1.5 to 2.1 ¢ / Gallon
LNG - 4.9 to 7.1 ¢ / Gallon
Gasoline - 17.0 ¢ / Gallon
Diesel - 17.0 ¢ / Gallon

Hawaii bases fuel taxes on specific county rather than an overall state rate, so tax rates vary by county/island.PumpIcon District of Columbia Fuel Taxes
CNG -23.5 ¢ / Gallon
LNG -23.5 ¢ / Gallon
Gasoline - 23.5 ¢ / Gallon
Diesel - 23.5 ¢ / Gallon

States in Green require an annual fuel tax decal for alternative fuels

States with orange dots have downloadable Profile Sheets - click the state to access Profile Sheet. (More Info)

States with
NGV Incentives

Vehicle - AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IL, IN, IA, KS, LA, MD, MA, MI, MS, MO, MT, NE, NV, NM, NY, NC, OH, OK, OR, PA, SC, TN, TX, UT, VA, WA, WV, WI, WY

Infrastructure - AR, CA, CO, DC, DE, ID, IL, IN, IA, KS, KT, LA, MA, MI, MO, NE, NM, NY, NC, ND, OH, OK, OR, PA, SC, TN, TX, UT, VT, WA, WY
Energy Equivalency
Excise Tax

CNG GGE Tax - AL, CA, CO, FL, IA, ID, IL, IN, KS, KY, LA, ME, MO, MS, NE, NH, NM, NV, NC, OK, PA, SD, TX, TN, UT, VA, WV, WY (Proposed in - AR, MI, MN, OH)

LNG DGE Tax - AL, CA, CO, FL, GA, IA, ID, IN, KS, KY, LA, ME, MO, MS, NE, NH, NM, NV, NC, ND, OH, OK, TX, TN, UT, VT, WY (Proposed in - AR, IL, MI)

DGE Method of Sale - AL, AR, CA, CO, GA, MO, MS, NM, OK, TN (Proposed in - IL, MA, SC)
Incremental Cost/Equipment Sales Tax

[tooltip title="Incremental Cost/Equipment Sales Tax" content="Passed - IN (equipment)
Proposed - AZ, CA, NJ, NY, WV, WY" type="classic"]2013
1 state passed
6 states proposed[/tooltip]
States with NGV Weight
Limit Exceptions (2000lbs)

AZ, CO, KS, LA, IL, IN, MN, NC, NM, OH, OK, SC, VA