How an engineer in Cameroon developed a formula for recycling oil and designing a stove that can use it in a safe kitchen environment ...

The burning ... part of the coal. The amount of kindling wood re-luired depends much upon the size of the coal. A common mistake is to use too large sized coal. A good rule, where stoves or ...

A stove powered by recycled car oil is providing a cleaner and more affordable cooking option for households in Cameroon. The ...