On September 9, the Colombian government released a new resolution to decrease its ethanol blend level to four percent (E4), effective September 11. Incremental increases are scheduled in the following 90 days, culminating with E10 by January 2022. This new measure attributes the change to an increase in fuel demand due to economic recovery, a local ethanol supply shortage because of heavy rains in the sugarcane producing region, and the closure of some ethanol plants for maintenance. In March 2021, Colombia temporarily decreased its E10 mandate to E4, with plans to return it to E10 by September 2021. Earlier this summer, Colombia increased its blend mandate to E7 and E8.