We're sure they've got an in-house name for it, but GM says it will give consumers a chance to come up with the official name for the Chevrolet Volt's initial exterior color – a silvery hue that has a slight color-shift toward emerald when the sun hits it just right. The automaker will fly three finalists in the Volt color naming contest to Los Angeles for the 2009 LA Auto Show in December (there are worse places to be that time of year)