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- Blanco, Sebastian. "Greenlings: What's the point of concept cars?" Autoblog Green. (Dec. 21, 2011) http://www.green.autoblog.com/2010/01/07/greenlings-whats-the-point-of-concept-cars/
- char1iej. "What Are Concept Cars Used For?" New Concept Cars and Vehicle News. (Dec. 21, 2011) http://www.mpressiveconcepts.com/what-are-concept-cars-used-for.html
- Diseno-Art. "Concept Cars." (Dec. 21, 2011) http://www.diseno-art.com/encyclopedia/concept_cars/concept_cars.html
- Ford. "Ford's mid-century concept cars forecast future vehicles." (Dec. 21, 2011) http://media.ford.com/article_display.cfm?article_id=3359
- Gizmodo. "Toyota's Insane Concept Car Has Giant Touch-Screen Doors." (Dec. 21, 2011) http://gizmodo.com/5863017/toyotas-insane-concept-car-has-giant-touch+screen-doors