There's a C-pack or conservative pack convention being held in Washington this weekend.

NPR: Early Hurdles for Clinton, McCain?

But he wants them not to go towards Mitt Romney, who's making a big push at the C-pack Convention this weekend.

NPR: Early Hurdles for Clinton, McCain?

C-MAX Energi operates just like a traditional hybrid with two key differences - owners must plug in the vehicle using its charge port and C-MAX Energi has a larger battery pack.

ENGADGET: Ford's 2013 C-Max Energi rolls out 95 MPGe, arrives later this fall