The US Senate plans to vote this week on three amendments to block US Agriculture Department support for renewable energy and biofuels production, but not on a Republican proposal to exempt some energy companies from new rules governing commodities swaps.

According to an amendment list circulated by the office of Senate Whip Richard Durbin, Democrat-Illinois, Republicans and Democrats agreed to vote on 72 of the hundreds of proposed amendments eligible for debate, including three that target programs to aid biofuels producers, loan guarantees and farmers that receive support to develop wind energy.

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