The dramatic developments in the Middle East, including new attacks on oil tankers, are behind the recent price increases.
Since July 1, when the tax was reduced, the price of diesel has risen by SEK 4.30, and a litre of diesel now costs about SEK 20.59 on Friday, according to the chains' listed corporate prices.
The price of gasoline has also increased, although slightly less - up SEK 1.80 per litre since July 1, to about SEK 16.19 for business customers ahead of this weekend's car trips.
Business prices for fossil fuels are normally around 30 öre per litre above household prices.
