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NREL converts lignin into a nylon precursor with microbes

In the wild, P. putida naturally produces β-ketoadipic acid. NREL scientists used genetic engineering to make the process more prolific. Figure by Allision Werner, NREL

October 3, 2024

BY U.S. Department of Energy

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International Opportunity

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By Luke Geiver

April 03, 2026

Markets Coproducts 

From work to reconnect with China to new export destinations around the world, the global opportunity for U.S. ethanol and DDGS is unlike ever before.

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The U.S. exported 209.87 million gallons of ethanol and 919,855 metric tons of distillers grains in February, according to data released by the USDA on April 2. Exports of both products were up when compared to February 2025.

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A recent industry survey provides a snapshot of the corn kernel fiber production segment, including factors in decision-making, operational details, production volumes and more.

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In 2025, 23.25 billion RINs were distributed under the RFS. One standout data point included a significant increase in D3 RINs coming from cellulosic ethanol—93% over the 2024 total.

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The U.S. EPA on March 27 announced the RFS cellulosic waiver credit (CWC) price for 2025 has been set at $1.91, up from $1.61 for 2024. The CWCs are being made available due to the agency’s decision to reduce the 2025 cellulosic RVO.

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