But the report on biofuels, to come from the head of the Renewable fuels Agency, Professor Ed Gallagher, may be used to challenge the more ambitious target for 2020, which is not set in law.
来自可再生燃料专门机构的负责人Ed Gallagher教授的生物燃料报告可以用作挑战雄心勃勃的2020年目标，因为这一目标还没有写进法律条文。
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