>
>>And I didn't go hybrid because I wanted to keep my trunk
>>space.
>
>I never realized or thought about space with hybrids before,
>interesting.

The battery pack has to go somewhere. On a car designed specifically as a hybrid, like a Tesla, the batteries are laid out on the floorpan, which works for space and lowering the center of gravity. Other cars, like the Fusioni, generally stash them in the trunk. Here's a comparison of the Fusion's trunk on a hybrid and on a regular car:

http://www.cars.com/crp/vp/images/13ford_fusion_hybrid/cargo_2up.jpg