text: Ethanol and Greenhouse Gas Emissions. Though ethanol is often pitched as a good solution to climate change because it simply recirculates carbon in the atmosphere, there is more than one kind of greenhouse gas to consider. Ethanol, blended with gasoline, actually turns out to increase the formation of potent greenhouse gases more than gasoline does by itself. As far back as 1997, the U.S. Government Accountability Office determined that the ethanol production process produces