How much money would Apple really save by not including 4G?
I doubt the difference in price between the chips is that much.
Update:
Maybe it is a big difference, the iPhone 5 chip cost $11 more than the 4S chip:
http://www.isuppli.com/Teardowns/Ne...ppliers-Remain-the-Same-Teardown-Reveals.aspx
And lose Verizon for the 5C? Definitely NOT worth it. It will have LTE just like the 5S.