Brazil increased the mandatory blend of anhydrous ethanol in gasoline from 30% to 32% starting Aug. 1 [1], [4].
The shift allows the government to curb its reliance on foreign fuel markets during a period of global instability. By increasing the domestic ethanol component, Brazil seeks to protect consumers from price spikes driven by external geopolitical shocks.
The Conselho Nacional de Política Energética (CNPE) approved the measure on July 14 [3], [5]. The new requirement applies to all gas stations across the country [1], [2]. This adjustment represents a two percentage point increase in the ethanol mixture [2].
Officials said the primary objective is to reduce the import of gasoline by approximately 900 million liters per year [2], [5]. This reduction is intended to mitigate price volatility caused by the war in Iran [2], [5].
The measure is not permanent. The CNPE established an initial validity period of 180 days for the 32% blend [2], [3]. This timeframe allows the government to monitor the impact on vehicle performance and fuel market stability before deciding on a long-term policy.
Industry experts said that the increase in ethanol may affect certain vehicles more than others [4]. While most modern engines in Brazil are designed for high ethanol blends, the change in combustion properties can influence fuel efficiency and engine wear in older models.
The decision follows a pattern of using biofuels to offset the costs of imported petroleum. By leveraging its massive sugarcane industry, Brazil continues to use ethanol as a strategic tool for energy security, reducing the amount of hard currency spent on fuel imports.
“Brazil increased the mandatory blend of anhydrous ethanol in gasoline from 30% to 32% starting Aug. 1”
This policy highlights Brazil's strategic use of its agricultural sector to buffer the economy against Middle Eastern geopolitical instability. By substituting imported gasoline with domestic ethanol, the government reduces its trade deficit and limits the domestic impact of global oil price surges, though it places more pressure on the domestic ethanol supply chain to meet the increased demand.


