If the Senate won't act, Obama can still do a lot, by Executive Order 13514

His action takes a little-noticed Executive Order by Bush a couple of years ago, the next logical step. With the Federal government the nation's very largest user of energy (and buyer of telephones and vehicles, and so on), this will create a market that will pull the manufacturers in.

President Obama Sets Greenhouse Gas Emissions Reduction Target for Federal Operations | The White House