cargo ships that addition to engines, using the sails to take advantage clean energy of the wind. perilous it is solar sails - are covered by solar panels - to generate at least one from a renewable source of electricity needed to craft.
These ships are about to become reality thanks to an agreement between the Australian company Solar Sailor and the Chinese company Cosco transport.
Nowadays the 90% of freight is carried by sea huge cargo ships, led by diesel engines that consume large amounts of fossil fuels, pouring into the atmosphere each year between 600 and 800 thousand tons of CO2 ( about 5% of global total). Their impact ambientale è dunque per niente trascurabile. Un ritorno all’energia del vento, accompagnato dallo sfruttamento di quella solare.
La Solar Sailor , azienda australiana con sede a Sydney, specializzata nell’ impiego di fonti rinnovabili per la mobilità sostenibile, ha disegnato e realizzato delle vele di 30 metri di lunghezza completamente coperte da pannelli fotovoltaici . Esse sono ora in fase di test su imbarcazioni di varie dimensioni. L’obiettivo è quello di creare navi cargo che possano sfruttare il vento come coadiuvante alla mobilitazione del mezzo. In pratica in presenza di vento forte la nave potrebbe essere condotta unicamente grazie to large sails, but if the wind were not enough, would take the diesel engine (with a reduced fuel consumption, however, view the "collaboration" of wind energy). The photovoltaic panels are designed to provide energy to power the lighting, heating / cooling and electrical boat. Through computer sails will be moved automatically as a result of changes in the wind, so it is always the most efficient. The adoption of such a solution on a large scale would result in a substantial limiting consumption and emissions of greenhouse gases in the atmosphere. According to the administrator executive officer of Solar Sailor, Robert Dane, in the near future all ships, goods such as passenger, will house solar sails, or adopt a hybrid power system: diesel / wind / sun. Certainly initial cost of the boat is high, but "once installed," says Dane, " sails are self-pay in terms of fuel savings in just 4 years of regular activity .
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