The price of petrol I paid during August 2019 averaged $1.50 per litre for 91 Octane unleaded petrol add up to 15 cents more for 95 Octane petrol and usually up to 25 cents for 98 Octane petrol, location is Melbourne Australia.
The price increase is not unusual due to trade tension between the Trump and China. There was also the share market drop due to imminent recession fears due to the occurrence of the ‘inverted bond yield’ which is higher short term government bond interest rates vs the usual long term bond interest rate. Personally I would think the normal would be higher interest rates in the short term…
The last time I looked diesel was still priced around $1.48 per litre which is still quite expensive compared to unleaded but at least it is consistent.
Note that fuel prices vary according to area, the level of competition and a whole heap of other factors like shopping discounts and so forth, however unreasonable high prices (relative to crude oil prices) is greed. Also note that the Octane level I post here represents Australian measurement which is different from those in other countries eg. US.