A car is filled with gasoline at a gas station pump in California. Thomson Reuters Gasoline futures jumped to their highest in over two years after hackers attacked the largest fuel pipeline operator in the US. Colonial said Sunday evening that four of its main pipelines were still down but smaller lines had been restored. Gasoline futures climbed just weeks before the US summer driving season begins. See more stories on Insider's business page. Gas futures hit their highest level since May 2018 on Monday as a cyberattack against the largest fuel pipeline in the US kept key operations offline