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Carbon nanostructures have received much attention for a wide range of applications. This paper reviews the historical role of plasmas in the gas-phase synthesis of carbon nanostructures and the present plasma technologies for industrial production purposes. It enumerates the advantages and disadvantages with respect to concurrent technologies commonly employed nowadays. Finally, some carbon nanostructures produced in our laboratory will serve as examples of the plasma processes potential.

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On-board hydrogen production out of hydrocarbons reforming for fuel cells feed-in is subject to problems when using traditional catalytic reformers. High device weight, a relatively long transient time, and catalyst poisoning make their integration in a vehicle complex. In response to these challenges, reforming processes based on cold plasma have been implemented over recent years. This paper presents a nonthermal arc discharge system based on a high voltage, low current power source (about 2 kV and 0.5 A), designed to convert gasoline into hydrogen rich gas under autothermal or partial oxidation conditions for car applications.