Jacob Mwangi develops stoves that harness the power of old engine oil. [File, Standard] Widespread ... and cleaner compared to traditional burning methods," he says. Mwangi notes the presence ...

One was by a servant girl, who thought that as paper saturated with oil was excellent for kindling a fire, she would try some of the burning fluid ... put it in the stove, piled on some chips ...

However, a promising solution has emerged in the form of old engine oil stoves. At his workshop located ... and cleaner compared to traditional burning methods," he says. Mwangi notes the presence ...