U.S. ethanol production saw its largest week to week decline on record because of weather.

The U.S. Energy Information Administration says production averaged 658,000 barrels a day, a drop of 253,000 on the week and the lowest average since May of 2020 as some plants cut back or idled production because of bitterly cold conditions and heavy snowfall, along with a lack of available natural gas used in production.

That is 396,000 barrels below year ago levels because of slower blending demand caused by reduced fuel use tied to COVID-19.

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