The escalation of geopolitical tensions in the Middle East is already impacting the agribusiness of Rio Grande do Sul, according to a technical study by the Economic Advisory of Farsul. In less than two months, the barrel of Brent oil rose from US$ 70.99 to close to US$ 100, reflecting in the increase of S10 diesel, which advanced 21.1% between the end of February and the beginning of April 2026, reaching R$ 7.23 per liter. The movement occurs during the harvest of the summer crop and the planning of the winter planting, with an estimated impact of R$ 612.2 million in the operating costs of the main crops in the state. According to the entity, the scenario represents a structural change in the energy market. The study points out that the instability involving Iran and the routes in the Strait of Hormuz raised logistics costs and risk premiums. “The movement reflects a 'structural repricing of global energy risk'”, the analysis informs. The impact varies among the crops, with rice ...