TreeHugger Sami lives in Durham, North Carolina where they make the ELF, a solar and pedal powered hybrid vehicle that is "specifically designed to get the cycle-challenged out of their cars." I ...

Bob Graves of Hutchinson is used to turning heads when driving, having a longtime passion for hot rods. Lately, he has been turning heads with a different sort of vehicle – an ELF electric tricycle.

They're nicknamed Elf, Truckette and Otto, and they look as if they rolled off the pages of a fantasy novel. They are super-efficient solar-electric tricycles. A group of designers and sustainability ...

SAN DIEGO (CBS 8) - More and more these days commuters across America are getting to work using sunshine and sweat instead of gasoline. The solar powered trike is called an ELF. The ELF is a solar and ...