Some critics have suggested that the production of corn ethanol uses up more fossil fuel energy than the biofuel energy it eventually produces.

一些批评人士指出，玉米乙醇的生产所消耗的化石燃料能源比它最终生产的生物燃料能源还要多。

youdao

It's interesting how everyone saw the biofuel industry as the answer to our energy problems, but in some ways, biofuels have created new problems.

有趣的是，每个人都把生物燃料工业看作是解决我们能源问题的答案；但在某些方面，生物燃料又产生了新的问题。

youdao

The researchers think they have devised a biofuel that has a 40% higher energy density than ethanol, that repels water and that can be made relatively speedily.

研究人员们认为设计出了一种比乙醇的能量密度高出40%的生物燃料，而且它排斥水并能在制造速度上相对快捷。

youdao

Economists blamed the crisis on different causes, including high energy costs, bad weather and the use of food-crop lands for biofuel production.

VOA: special.2010.03.23

Companies like the BioFuel Energy and Archer Daniels Midland, well organized as the National Biodiesel Board and subsidiary groups, welcome their government-dictated business.

FORBES: The Federal Government's Biodiesel Mandate Ensures Higher Prices All Around

The 60 new projects announced by Majumdar will tackle a wide range of subjects, including biofuel, solar energy and electric grid.

FORBES: Feds Fund Novel Green Tech For Electric Cars, Solar Heat Storage

Aside from the ethanol boom pushing up corn prices, critics argue producing the biofuel consumes more energy than it saves and might actually add to global warming concerns.

FORBES: Mr. Culver Goes To Washington