Federal officials plan to waive requirements that limit the amount of ethanol in gasoline during summer months as the White House looks to check high pump prices, Axios' Ben Geman writes.Driving the news: The White House said the EPA plans to allow gasoline with up to a 15% ethanol blend (E15), rather than the usual 10%.

• Air pollution regulations restrict those sales in the summer, but White House officials say they will work to prevent problems.

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