Focusing on alternatives to gasoline, automakers are rolling out more electric cars and hybrids at this year's show.
General Motors' Cadillac division is considering a plug-in addition to its line-up. It also needs a fresh full-size sedan. The XTS Platinum concept car offers a glimpse at what that new big car could look like and it's billed as a plug-in hybrid. This is mostly about the design, though.
NEXT: Audi e-tron concept