在美国，明尼苏达州颁布了一项法令：即所有该州内销售的柴油中要含有2%的生物燃料(其中的大部分来自于该州种植大豆的农民生产的作物)。
In America, Minnesota has decreed that all diesel sold in the state has to contain 2% biodiesel (much of it from the crops grown by the state's soya farmers).
然而，即时是国会颁布了这项雄心勃勃的法令，但在未来的二十年中，煤仍主导这个国家的电力，而太阳能仅可能占据较小的一部分。
Yet even if Congress enacted that ambitious law, coal would still dominate the nation's electricity portfolio two decades from now, and solar energy would probably remain a minor contributor.
他的另一个说法令人感到担忧，越来越多的肥胖将导致更高的残疾率。
More worrying, he says, is that rising obesity will lead to higher levels of disability.
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