The author of this article suggests adding industrial marsh gas to the long and medium-term energy development plans formulated by the government′s energy regulatory authorities.

建议国家有关部门在中长期能源规划中，尽快增加关于大力发展产业沼气的内容。

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Federal Reserve officials announced a plan to purchase up to $300 billion in long-term U.S.government bonds to bolster the nation's economy.

VOA: standard.2009.03.18

That has led to charges by Republicans the economic recovery is an illusion, funded by inefficient government spending that has weakened America's long-term economic position by vastly expanding the national debt.

VOA: standard.2009.11.01

Vanguard Long-Term Government Bond ETF ( VGLT) seeks to provide a diversified exposure to the long-term U.S. government bond market.

FORBES: Uncertainty Leads Bond ETFs Higher

But many in the city would still agree with Mr Osborne, that the short-term benefit for the economy of any stimulus would be small, and the long-term costs for the government's credibility rather large.

BBC: Osborne, Balls and the OECD: Where they agree

On the other hand, the government's new guarantees for trillions in private debt and a trillion-dollar federal deficit for fiscal 2009 could both hasten the day of reckoning if foreigners who have been buying up most new Treasury debt become concerned about the U.S. government's long-term fiscal prospects and put their money elsewhere.

FORBES: 2020 Vision