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@anarchotaoist if this is for Australia, the calculations are a bit out of date. Fuel excise is usually 44.2c per L (making he example for a $1/L price). However currently it is reduced for 6 months to 22.1c per L, and prices are around $2/L.
At $2/L your $100 goes ~$33 in income tax (depending on your bracket), $6.03 in GST, and $7.40 in fuel excise... total $46.43 in tax.
@anarchotaoist ... or it costs you nothing if you are using solar power to charge your electric vehicle.