
Ampol's Lytton refinery reported an average refining margin of US$23.92 per barrel in the September quarter, versus US$10.64 a year earlier. Viva Energy's Geelong refinery posted US$21.40 per barrel, up from US$10.20.
Both companies credited favourable regional market conditions, and Australian truck operators face high diesel costs.
Wider refining margins signal tight diesel product markets, keeping diesel costs elevated for transport and freight buyers. Higher diesel costs feed into feed-ingredient logistics and delivered prices.
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