Vienna – The prices at the petrol pumps have meanwhile fallen once more to around 1.80 euros per liter on average across Austria. On Tuesday, diesel cost an average of 1.814 euros per liter, super 1.799 euros, according to the ÖAMTC. This is the fourth Tuesday in a row that fuel prices have fallen. On July 12, a liter of diesel cost 2.089 euros, Super 2.095 euros.