47 teams from 25 countries are getting ready to race.

Advanced solar-powered cars gear up for grueling World Solar Challenge

The World Solar Challenge kicks off this Sunday, with competitors set to cover a monster 3,000 km journey from Darwin, Northern Territory to Adelaide, South Australia in cars powered purely by the sun. Here’s a quick look at some of the contenders.

from FB-RSS feed for ASME (American Society of Mechanical Engineers) http://www.gizmag.com/world-solar-challenge-roundup/39858/