Author:National Building Research InstituteDate:Sep 1981Energy is becoming increasingly expensive. Conservation can offset the increase in energy cost and can therefore be considered a new and can fairly inexpensive source of energy. The following article looks at the ways in which energy savings ...Read more
Author:Szewczuk, SDate:Nov 2008One of the South African Government’s objectives is to have universal access to electricity for all of its citizens (Mbeki, 2004). To date, the South African electrification programme has been extremely successful from a policy, institutional, ...Read more
Author:Rohwer, Mark B; Ozoemena, K; Modibedi, Remegia MDate:Nov 2012Fuel cells provide a means for the direct conversion of fuels to electricity. Direct alcohol fuel cells (DAFCs) are particularly attractive because liquid fuels such as methanol or ethanol have a relatively low cost, a high volumetric energy ...Read more
Author:De Wit, MP; Swilling, M; Musango, JKDate:11 Aug 2008Cities in developing countries often have to face a multiplicity of external shocks that impact on their operations. These changes include increased rates of migration from the rural poor, natural resource shocks such as droughts, decreased ...Read more
Author:Stafford, William HL; Blignaut, JDate:Jun 2017South Africa has embarked on a large-scale government programme to control invasive alien plants (IAPs). However, to date, very little cost recovery has occurred through the development of value adding industries and the sale of various wood ...Read more