The Australian federal government has relaxed fuel quality standards for 60 days, reintroducing higher sulphur content petrol that was banned in December. The measure responds to fuel supply concerns, with Australia's reserves down to approximately 25 days instead of the required 90-day reserve. The lower quality 91 RON petrol may damage catalytic converters in older vehicles over time, while 95, 98 and diesel remain unaffected.

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