April RBOB prices established another new contract high during the early morning hours, boosted by gains in Brent crude oil and a positive outside market tone. Rising gasoline prices has sparked a few US leaders to call for a release of US SPR supplies to help counter the risk of high energy prices stalling economic growth. While US demand remains extremely low at 8.167 million barrels per day, refinery closures and spring maintenance has helped turn the focus of the market to potential shortfalls in supply.