Just a heads up for those driving in France.

Some fuel companies, Total in particular, have been launching a sub-brand of stations tagged "Express" that are competing with the grand surfaces for customers. I've noted fuel prices at these rebranded stations that could be on autoroutes (so a lot cheaper than normal autoroute prices), towns, in the middle of nowhere and the prices are +/- €0.01/l to that of nearby supermarket fuel prices.

One thing to watch out for is that not all are pay-at-the-pump so might not be open off hours and/or weekends.

Esso- not much of a player in France, also has some Esso Express doing the same thing.