The Obama administration internally believes that cap and trade will cost the average family $1761 USD/year: http://www.cbsnews.com/blogs/2009/09/15/taking_liberties/ent... - and that's their estimate that's almost certain to be light ignoring the impact on industry itself.

Now what happens in actual implementation? Read http://www.aolnews.com/world/article/europes-cap-and-trade-m... and http://www.theaustralian.com.au/news/health-science/csiro-bi...