Bernie Sanders (I-VT) is always worth listening to and he has become a big supporter of concentrated solar power.
Udall (D-NM) notes this bill would help nuclear power contrary to what the other side says: “When you put a price on carbon you are helping nuclear power.”
Sheldon Whitehouse (D-RI) — noted news report that Toyota has some 2000 patents on hybrids, which is using to maintain its leadership position. He wants this bill because “I want to see us at the front of the parade” on clean energy
Sen. Arlen Specter (D-PA) kept his powder dry, but spoke on the importance of taking action on climate and is concerned about jobs in his coal-producing state [although it doesn't generate very many jobs in PA anymore].