Author:Greben, H; Burke, LM; Szewczuk, SDate:Oct 2009Identifying alternative sources of energy is a matter of urgency, since conventional energy sources are becoming exhausted. Renewable energy sources, such as biogas, can be generated from organic waste, through the anaerobic digestion (AD) ...Read more
Author:Tazvinga, Henerica; Dzobo, ODate:Jun 2017Renewable energy sources such as solar photovoltaic (PV) systems have been widely utilized as alternative energy sources to fossil fuels in residential areas in many countries. The PV cell output varies according to many factors including ...Read more
Author:Kumirai, TichaonaDate:Oct 2016Due to South Africa’s energy crisis and global climate change challenges, there is currently a major drive towards the use of renewable energy sources, and energy efficient and conservation interventions to ensure energy security for the ...Read more
Author:Jonker Klunne, WDate:2013Lesotho does not have any known indigenous sources of oil, coal or natural gas. About three quarters of its total energy demand is met by biomass fuels in the forms of wood, shrubs, animals manure and agricultural residues. The only other ...Read more
Author:Jonker Klunne, WDate:2013In rural Zimbabwe, 80-90 per cent of people are heavily dependent on wood fuel. Rural populations light their homes with kerosene and carry out essential food processing tasks such as milling grain, using diesel powered systems. Access to ...Read more