Virginia Postrel makes the case against the incandescent ban:
What matters, from a public policy perspective, isn’t any given choice but the total amount of electricity I use (which is itself only a proxy for the total emissions caused by generating that electricity). If they’re really interested in environmental quality, policy makers shouldn’t care how households get to that total. They should just raise the price of electricity, through taxes or higher rates, to discourage using it.
Reihan, Friedersdorf, and Sullum agree.
The Dish 