The EPA has granted a waiver allowing the sale of E15 gasoline, which contains 15 percent ethanol, during summer months to help lower fuel prices amid rising costs from geopolitical tensions. The move could increase ground-level ozone and smog, particularly in areas like Los Angeles, because ethanol releases volatile organic gases that react with sunlight and nitrogen oxides to produce smog-forming compounds.
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The EPA has granted a waiver allowing the sale of E15 gasoline, which contains 15 percent ethanol, during summer months to help lower fuel prices amid rising costs from geopolitical tensions. The move could increase ground-level ozone and smog, particularly in areas like Los Angeles, because ethanol releases volatile organic gases that react with sunlight and nitrogen oxides to produce smog-forming compounds.