a "tax" that makes sense

Massachusetts is thinking of raising the bottle deposit and expanding
the range of bottles it applies to.

http://metro.us/us/article/2009/10/08/03/0654-72/index.xml

"Taxing" bad behavior (in this case, not recycling) is a good thing,
not a bad thing. We seriously underrecycle anyway, so this will
correct a market failure. For once, well done, Massachusetts.