The Nov. 16 State Journal article "UW study: Ethanol worsened problem," left out key facts on the climate benefits of homegrown biofuels.

The story examined a study claiming U.S. farmers are plowing up new land to grow corn, reducing the carbon savings associated with biofuels. Yet data from the Environmental Protection Agency and U.S. Department of Agriculture clearly show that U.S. farmers are growing more food and fuel on less land than previous decades. In fact, demand for renewable fuel has accelerated agricultural innovation, yielding lower food prices.

More importantly, the latest USDA report shows that ethanol reduces carbon emissions by 43 percent compared to gasoline -- even including land use change assumptions. In truth, biofuels are one of the most powerful tools available to protect our climate, our energy security and rural jobs.

As it turns out, the “new” study isn’t new at all. Sponsors at the National Wildlife Federation circulated the same false conclusions and flawed data in 2015. And NWF is a voice for the American Fuel and Petrochemical Manufacturers Association’s anti-biofuel campaign. That’s ExxonMobil, Marathon and other oil giants.

Thankfully, bogus science won’t stop the hard-working farmers and renewable fuel manufacturers of Wisconsin from producing over 500 million gallons of low-carbon biofuels per year.

Ryan Knight, Waunakee, Novozymes North America Inc.

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