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Haul Math

California IFTA Fuel Tax Rate, 4th Quarter 2024

California's IFTA diesel rate for the 4th quarter of 2024 is $1.0230 per gallon, unchanged from Q3 2024.

California rate for Q4 2024

Special diesel, Q4 2024

$1.0230

per US gallon, unchanged from Q3 2024

Diesel tax rate
$1.0230/gal
Surcharge
None listed
Quarter
Q4 2024, from Oct 1, 2024
Change vs last quarter
unchanged
Notes from the source

Matrix footnote #1 (CALIFORNIA): CNG to be reported for each 100 cubic feet at standard pressure and temperature. A blend of Alcohol when containing not more than 15% Gasoline or Diesel should be reported as E-85 or M-85. Dimethyl Ether (DM) and Dimethyl Ether-Liquified Petroleum Gas Blends (DME/LPG) should be reported under Propane.

Worked example: the California line of your IFTA return

Change the numbers to match your quarter. Prefilled with 10,000 total miles on 1,550 gallons, 1,200 of those miles in California, and 100 gallons bought there.

Example numbers are filled in. Tap "Calculate California IFTA" to see the California line of an IFTA return at the Q4 2024 rate.

California vs. its neighbors, Q4 2024

IFTA diesel rates for California and bordering jurisdictions, Q4 2024
JurisdictionDiesel + surchargevs. CA
California$1.0230—
Nevada$0.2700−$0.7530
Arizona$0.2600−$0.7630
Oregon$0.0000−$1.0230

On an IFTA return, a higher rate doesn't mean you pay more overall. Fuel you buy in a high-rate state earns a bigger credit. What matters is where you burn the fuel versus where you buy it.

California rate, last 4 quarters

California IFTA diesel rate by quarter
QuarterDieselSurchargeChange
Q1 2024$1.0890——
Q2 2024$1.0890—no change
Q3 2024$1.0230—−$0.0660
Q4 2024$1.0230—no change

Source: IFTA, Inc. Fuel Tax Rate Matrix, 4th Quarter 2024 · Effective Oct 1, 2024 · Last verified Sep 28, 2026

IFTA, Inc. publishes the rates each member jurisdiction reports. California's tax agency is the final word on its rate.

Estimates for planning. Confirm with your tax pro or your base jurisdiction's IFTA office before filing.