Remember when you were a kid and rode that plastic tricycle around the block. Good times. But now you’re all grown up. So it’s time you got a grown-up tricycle. Check your mirrors for Elf, a ...

http://news.cnet.com/8301-11386_3-57572818-76/eco-commuters-behold-the-solar-savvy-$4000-elf-tricycle/?part=rss&tag=feed&subj=News-CuttingEdge Get up-to-the-minute ...

Although velomobiles in general are a rather obscure class of vehicle, the human/solar-powered Elf is certainly one of the better-known recent examples. Inspired by its design and performance, Spanish ...

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 ...

Danville, VA - Lots of people from all over the country were in Danville on Saturday to learn more about the growing popularity of electric bikes. It was all part of a training course at Danville ...