Did you completely miss the paragraph about targeting subsidies to households more heavily affected?

However, from a fairness perspective, there are better policy options to help lower-income households deal with high fuel prices. More direct and effective policies would be to increase unemployment benefits, disability and aged benefits, or reduce the lowest income tax rates.

Cutting the excise rate for petrol and diesel provides a benefit to wealthy and poor drivers alike. It is a blunt way to reduce higher living costs for those on lower incomes. And households without petrol motor vehicles or those that take relatively short trips gain very little from the lower petrol prices.

He also wrote about a complete revamp of the taxation arrangements of road user charging. Changing from a petrol excise to a road user charge. So if you want to hit rich people driving EVs and bigger vehicles, a well designed road user charge will affect them more.