Like every other block of voters who strongly supported his candidacy in 2008, environmentalists aren't nearly so enthusiastic about Barack Obama these days.

A lengthy New York Times story published today illustrates why they might feel let down by the President, as the piece depicts how the administration – in particular chief of staff Bill Daley and regulatory czar Cass Sunstein pushed Obama to reject a proposal by EPA administrator Lisa Jackson to tighten the national standard for smog.

But environmentalists nationally and in Florida are applauding the administration for officially proposed strengthening fuel efficiency and pollution standards for passenger cars and trucks to 54.5 miles per gallon by 2025.