These micro, mobile power plants use a natural process to transform waste into renewable energy. Anaerobic bacteria digest organic matter such as manure or food waste to produce biogas, a mixture which is primarily methane and carbon dioxide. The Muckbuster specializes in manure but also treats crop residue and certain types of food waste. Across Africa, Sandra believes that the units could replace diesel generators with more cost-effective and carbon-friendly solutions. Sandra promises more “exciting news” to come, and investors assume this is more than hot air.