February 17, 2025

Winter Crops Could Power Sustainable Aviation Fuel

Researchers at the University of Minnesota are exploring how winter-hardy crops, such as camelina and pennycress, can be used to produce sustainable aviation fuel (SAF). These crops not only promise to lower carbon emissions but also provide environmental benefits like improving soil health and preventing nitrogen loss. With growing support and investment, these biofuels may soon be powering the aircraft of tomorrow.

SAF

Photo Sourec: Samsung C&T Newsroom

Researchers at the University of Minnesota are investigating the use of winter-hardy crops such as camelina and pennycress to create sustainable aviation fuel (SAF). These crops have the potential to transform the aviation industry by providing a cleaner alternative to conventional jet fuel. The oil extracted from the crops can be refined into biofuels, which have a lower carbon intensity, meaning they contribute less to greenhouse gas emissions. The project, led by the university’s Forever Green Initiative, is receiving a significant boost with a $10 million grant from the U.S. Department of Energy.

Beyond their ability to create biofuels, these winter crops offer a host of environmental benefits. They help protect soil during the harsh winter months, reducing erosion and preventing nitrogen from leaching into waterways. This, in turn, enhances water quality and provides vital habitat for wildlife. Additionally, farmers can benefit economically by growing these crops, as the leftover seed can be turned into high-protein animal feed, offering a new source of revenue alongside their traditional crops.

The push for sustainable aviation fuel comes as the airline industry seeks to reduce its carbon footprint, which accounts for about 3% of global emissions. With significant interest from companies like Delta Air Lines and initiatives like the Minnesota SAF Hub, the move towards biofuels is gaining momentum. Recent flights using SAF, including a Delta flight powered by winter camelina, showcase the potential of these biofuels. Researchers at the University of Minnesota are optimistic that scaling up production of these winter crops could lead to a significant reduction in carbon emissions from the aviation sector.

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