The Mantan blog
Fuel prices up close, tips for paying less, and life behind the app.
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Cheaper fuel across the French border: up to €23 saved per tank in Spain
Spain, Andorra, Luxembourg, Belgium, Germany, Italy, Switzerland: fuel price gaps with France on 1 November 2026, jerrycan rules and whether the detour pays.
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E10, SP98, E85 or diesel in France: which to choose, and up to €670 saved a year
E10 or 98 octane? Is E85 worth it? Compatibility, extra consumption and the cost per tank and per year, with average French pump prices for late October 2026.