I havn't looked into it in detail, but I was under the impression that it wasn't so much to affect consumer choices directly, as commercial behavior. That is,

I havn't looked into it in detail, but I was under the impression that it wasn't so much to affect consumer choices directly, as commercial behavior. That is, putting a price on carbon will result in businesses either putting up prices, or choosing lower emission production options. All other things being equal, this should result in having lower emission companies having a pricing edge, and then consumers picking those products.