In the first days of March 2026, the fuel market in Spain has experienced one of the most pronounced and dizzying increases in recent times, directly fueled by growing geopolitical instability in the Middle East. According to recorded data, the escalation is evident in all fuel variants, but where the market’s fear is most reflected is in diesel A, the quintessential fuel for road transport. In just 24 hours, between March 5 and 6, the average price per liter of diesel went from 1.610 euros to 1.662 euros, an increase of more than five cents, which is a hard blow for consumers’ pockets and, very especially, for professionals in the transport sector.
The conflict in the Middle East, with its latent threat to supply routes and crude oil production, has acted as an accelerator of volatility in international markets. This surge is not an isolated case for diesel; 95 unleaded gasoline has also seen its price increase by three cents on the same day, standing at 1.619 euros. However, the difference in the increase between the two products reveals diesel’s greater sensitivity to global tensions, given its central role in logistics and freight transport. Operators fear that if the crisis continues, prices will continue to creep dangerously close to the all-time highs recorded in 2022, when a liter of diesel exceeded 2.1 euros.
For truck drivers, this increase is not a simple statistic, but a problem of business survival. A self-employed haulier who fills a 500-liter tank on the morning of Friday, March 6, pays 831 euros, which represents 26 euros more than they would have paid if they had refueled on Thursday. This extra cost, if maintained over time, will inevitably end up impacting the final price of food and essential products that reach the cities. Industry associations have already begun to show their concern, recalling that this type of unforeseen increase disrupts any financial planning and reduces profit margins to a minimum in a sector that operates on very tight budgets.
The impact of this crisis is not homogeneous throughout the national territory. Although the table reflects average prices for the peninsula and the Balearic Islands, the reality on the road is harsher in regions such as Catalonia, Madrid, and the Basque Country, where historically fuels tend to trade above the national average due to higher fiscal pressure and additional logistical costs. In rural or mountain areas, such as certain parts of Aragon or Castile and León, the price also rises above the average due to less competition among service stations and the costs of transporting fuel to the pumps. Thus, while a driver in Ciudad Real might find a liter slightly below 1.66 euros, their colleague in Girona or Biscay will pay several cents more per liter, further aggravating the territorial inequality in the cost of mobility.
In short, the conjunction of military tension in the Middle East and external energy dependence has once again placed Spain in a scenario of rising prices that threatens economic recovery. The data from this first week of March marks a turning point that will be crucial to monitor in the coming days. If the geopolitical situation does not stabilize, the current upswing could be just the prelude to a new energy crisis that, as seen on other occasions, hits transporters especially hard and, by extension, the entire economy due to its inflationary effect.