Higher transportation expenses, along with growing demand for agricultural exports from the United States and increasing need for corn-based ethanol for gas supplies, has sent commodity costs soaring.

运输费用的上涨，伴随对美国农产品出口的需求日益增长，以及对作为汽油补充的玉米制成的乙醇的需要增加，使得货物价格扶摇而上。

youdao

U.S. efforts to promote corn-based ethanol, and giant German subsidies for the solar industry, for instance, are incredibly counter-productive.

例如，美国尽力推广的基于玉米的乙醇和德国对太阳能工业的巨大资助，往往都会取得事与愿违的效果。

youdao

Corn plantings in America are expected to be at record levels this spring, due to the growing demand for corn-based ethanol biofuel.

由于对谷基乙醇生物燃料的需求不断增长，美国的谷物种植有望在今春达到最高水平。

youdao

Corn-based ethanol produces only slightly more energy than it takes to produce it.

VOA: standard.2009.09.02

To meet the 2022 mandate of 35 billion gallons of biofuels using corn-based ethanol, crop land dedicated to corn will have to increase from 88 million acres to 233 million acres.

FORBES: Ethanol Isn't Worth Costlier Corn Flakes And Tortillas

As a bonus, switchgrass ethanol emits significantly fewer greenhouse gases than corn-based ethanol.

ECONOMIST: Behind Detroit's sudden embrace of ethanol

Right now cellulosic ethanol is potentially eight times more energy-efficient than corn-based ethanol, because you eliminate the middle step of converting it into sugar before you convert it into ethanol.

NEWYORKER: The Conciliator