Also, as pointed out in the other thread:
Fuel prices, however, won’t “necessarily” drop back down again, said Ardern. “What we’re seeing right now, is the impact of Covid and the recovery and of Ukraine,” she said. “The increase we’ve seen at the pump, it’s been significant. It has not come from excise [tax]… it has not come from government.”
Oil is still $20 USD per barrel cheaper than it was at its peak in 2008, but petrol prices are around $1 higher than they were then.