Sure, in a nod to environmentalists, this spring Obama said he'd support coal-to-liquid subsidies only if the fuel could be created with 20% lower carbon dioxide emissions than petroleum-based fuels. (The greens complain that coal-based fuel and the process that makes it produce twice as much carbon dioxide as conventional fuel.) But he still voted for Tester's amendment, which included the 20% emissions requirement, but wasn't fully supported by the Democratic leadership.
FORBES: Coal's Many Friends