It is not the first time the US president has moved to make the tax credits permanent, but to date he has had little success convincing Congress to go along. Most recently, lawmakers managed only a one-year extension to the end of 2014.
The combined price tag of extending the PTC and ITC is an estimated $31.5 billion over the next decade alone, according the budget documents.
The budget proposal also includes a $4 billion fund to encourage US states to make faster and deeper cuts to emissions from power plants and $7.4 billion to fund clean energy technology programs.
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