Three platforms where crude oil is processed have shut down due to the leak.
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Right now the average price of gas in Los Angeles County is around $4.43 a gallon - the highest since 2012.
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Prices are also rising in Orange County, where the average right now is around $4.40 a gallon.
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In Riverside County the average is also the highest since 2012 at $4.35 a gallon.