Obama, who is making global warming a priority during his final two years in office, faces stiff opposition to his clean energy and environmental policies from Republicans who control Congress.
The proposed federal budget calls for $3.99trn in spending and $3.53trn in revenue – a $474bn deficit in the fiscal year starting 1 October.
In the prior six fiscal years, Congress has rejected efforts by Obama to make the production and investment tax credits permanent, including in 2009 and 2010 when his own party had majorities in both houses.
The
