Ampol and Viva Energy are pushing for a major overhaul of subsidies to keep their refineries running for longer, even as their own earnings are soaring.

Ampol and Viva Energy are pushing for a major overhaul of subsidies to keep their refineries running for longer, even as their own earnings are soaring.

Bumper first-half gross profits have been driven by soaring returns on turning crude oil into petrol and diesel during the conflict in the Middle East.