With the environmental benefits of a hybrid come environmental costs: 30 extra pounds of copper, mostly in the motor windings, and 22 pounds of nickel in the battery.

FORBES: Feel Green, Feel Good

Metals prices were mostly up slightly during the week-long reporting window to Oct. 30, with only platinum and copper down.

FORBES: FOCUS: Speculators Continue To Cut Metals Positions Across The Board -- CFTC