Pelosi's pigouvian opportunity

SF Chronicle on how fixing the Alternative Minimum Tax, which hits Democratic voters hard, is putting the new Democratic Congress in a tough spot:

But if Democrats impose the pay-go rule, they cannot fix the alternative minimum tax without gutting existing spending programs -- much less creating new ones -- or sharply raising other taxes.

Sounds like a perfect opportunity to swap in a gas tax, which should doubly please environmentalist Democrats.