A Tempe company thinks it has a revolutionary car concept, but will the public buy it? 

A startup Tempe motor company is hoping to turn their lime-green, “spunky little ride” into the 21st century version of the Volkswagen Beetle. Since August 2008, Elio Motors has been working on a cockpit-shaped, three-wheeled vehicle that seats two people and is the size of a small compact car. Chip Stempeck, vice president of sales and …