※ 질문하기질문내용With carbon dioxide emissions at dangerous levels, ethanol is a fuel many believe will substantially reduce dependence on fossil fuels. It is made from corn, a cleaner, renewable energy source. Corn farmers prefer to produce food rather than fuel. Increased use of this fuel will diminish our reliance on oil from politically unstable regions. A substantial increase in the use of ethanol could slow global warming and reduce international conflict.