Data of lack?The statement by Kyeongjae Cho that "we don't don't 1. Contraction of do not. 2. Nonstandard Contraction of does not. n. A statement of what should not be done: a list of the dos and don'ts. have enough platinum" for a hydrogen economy based on fuel cells is simply wrong ("Virtual Nanotech See nanotechnology. : Modeling materials one atom at a time," SN: 2/7/04,p. 87). Anyone who is working in the fuel cell industry expects the amount of platinum used in fuel cells to drop by the time this technology will be available for a mass market. If future cars are using platinum-based fuel cells, they won't won't Contraction of will not. won't will not won't will need today's catalytic converters catalytic converter: see internal-combustion engine. catalytic converter In automobiles, a component of emission control systems used to reduce the discharge of noxious gases from the internal-combustion engine. , which also use a fair amount of the precious metal. STEFAN GEIGER, LONDON, ENGLAND |
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