Well, that's fine.
But this is merely another (albeit small) cost imposed on business. A cost NOT imposed by such enlightened places as Red China, or India. A cost that must show up in a price, someplace.
The State of Wisconsin's ethanol-cost-imposition on manufacturing will have repercussions, just like the Chicago proposal. Remember: if you want LESS of something, make it more expensive. Tax or regulate it--you'll kill it.
So the next time someone yaps their flap about the "fact" that businesses in the US are "not competitive," and blame "union thugs," remind them of Richard Daley and