why is diesel cheaper than unleaded, page-6

This graph is from the Australian Institute of Petroleum.

Sort of a welfare body.

lol

Anyway, they are suggesting supply & demand.

Firstly their discussion of these issues... ...

http://www.aip.com.au/pricing/facts/Facts_about_Diesel_Prices_and_the_Australian_Fuel_Market.htm

which includes this graph.

Note the drop off in prices over last 12 months



Compared to petrol



These say both Deisel and ULP have been around 110 wholesale most of this yr.

Is retail margin differences the key? Is the 4c per litre effect pushing down retail margins?

RACV Historical

Diesel comparison
April's average price 116.4
Highest daily average in past 30 Days 116.5
Highest daily average in past 90 Days 118.8

Petrol
April's average price 119.3
Highest daily average in past 30 Days 124.8
Highest daily average in past 90 Days 131.5