In 1995 Kia showed a range-extended gas/electric (the Kev-4 concept car) with regenerative braking and solar-powered air conditioner. It would drive on electricity alone for 117 miles. Its 880cc gas engine could stretch that farther. This was 15 years before the Chevy Volt.
Source: Simon Hacker/MSN Cars; Reddit
Images: Kia Motors Corp.