The readjusted fuel excise tax will take effect from 7 August 2025.

Chile’s Ministry of Finance published Executive Decree No. 242 in the Official Gazette on 6 August 2025, revising the components used to calculate the excise tax on fuels, as outlined in Law 18,502 of 1986.

The updated excise tax will take effect starting 7 August 2025.

The adjusted components and the excise tax vary based on the type of fuel, as outlined in the table below:

Fuel Base component Variable component Excise tax
Gasoline 93 Octans (UTM/m3) 6 0 6
Gasoline 97 Octans (UTM/m3) 6 0 6
Diesel (UTM/m3) 1.5 -0.1522 1.3478
Liquid petroleum gas 1.4 0 1.4
Compressed natural gas 1.93 0 1.93