Where to find the cheapest gasoline in Catalonia during the start of the holiday season?

Source Summary

The progressive withdrawal of the tax reduction on fuels initiated this August will make filling the tank this summer a greater effort for many families going on vacation. Furthermore, the war in Iran continues and, although the price of crude oil has fallen in recent weeks, there is nothing to suggest that the situation will stabilize. Despite Donald Trump's comings and goings to try to reduce the price of oil on the markets through an agreement with Iran, the sharp turns that characterize the President of the United States suggest that instability in the Middle East – and, consequently, in energy markets – will persist. Additionally, road trips are gaining popularity this summer.