ABC News | Oil and Gas companies to pay more tax ABC News Australia's oil and gas industry has warned that proposed tax changes to the sector could affect investor confidence. The Federal Government wants to tweak the Petroleum Resource Rent Tax rules to reduce the deductions a company can claim on ... Oil and gas giants hit with $6 billion tax hike Gas, oil tax changes to rake in $6b more Oil, gas tax shake-up to raise extra $6 billion |