As for wood boilers, the DNR says you should move all flammable vegetation away from the boiler. Make sure you routinely clean stacks to prevent built-up debris from escaping. You can also install a ...

The rechargeable cooking tool, designed by a Cameroonian engineer, is powered by waste vehicle oil and solar energy ...

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