I just picked up my Hyundai Sonata Plug In Hybrid from Len Stoler Hyundai in Maryland. I live in Georgia and Hyundai has no problems with out of state sales.
The car is fully loaded and although it only has a 27 mile electric range I have found it to be really nicely engineered and a great...
A Hyundai Sonata PHEV is coming according to this link which cites a Hyundai press release.
The Sonata Hybrid's battery is 1.6 KWh, which puts it a hair above the Ford C-Max. So, by comparison to the C-Max Energi, I'd expect the PHEV battery to be around 8 KWh.