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In an effort to mitigate post-harvest losses (PHL) of agricultural products from farmers and the markets, greenhouse solar dryers (GSD) have been extensively employed by various stakeholders. The operation of these conventional GSD is though allowing cool or cold ambient air to enter them during...

Zambia’s transport sector is driven by imported and costly fossil fuels. Apart from the cost element, fossil fuels are finite. The source is depleting as it is being extracted continuously. Fossil fuels are also pollutants to environment. They contribute 70% of global carbon monoxide (CO) and 19%...