Ohhhhh yeahhhhhh Baaaabbbyyy
Not quite as you suggested but not nice all the same. The price expected in the table below in 2014 will have increased 5.584c per litre over the current price, now I think you will find GST on top of that increase
so its a double wammy. so that will be 6.14 cents per litre.
And how has a carbon tax worked elsewhere in the world? Output increased