(Nanowerk News) The catalytic converter is the unseen unsung hero of auto emissions control. Does the old "soot can" have a high-tech story? Check out what CNET's Brian Cooley and Michael Kanellos learned from visiting Nanostellar, a company that replaces particles in a catalytic converter so a car can run greener, in this 3-minute video "Nanotechnology helps build a greener car".
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