The chassis of a new Chevrolet Volt electric plus gas eco-friendly... Photo d'actualitéCalifornie,Chevrolet Volt,Châssis,Finance,General Motors,Horizontal,Jour,Los Angeles,Média,Neuf,Salon de l'auto de Los Angeles,Touche Plus,Voiture,Électricité,États-UnisPhotographer Collection: AFP 2012 AFPThe chassis of a new Chevrolet Volt electric plus gas eco-friendly car from General Motors attracts interest on media preview day at the Los Angeles Auto Show on November 28, 2012 in Los Angeles, California. General Motors has said it will integrate Apple's voice-activated software Siri in some of its cars next year to allow iPhone users to perform hands-free tasks, announcing at the LA Auto Show it will use the Siri intelligent assistant in the Chevrolet Spark and Sonic LTZ and RS. AFP PHOTO / Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)