Rocket Stove won't carry you to the moon and back, but they are pretty efficient compared to regular stoves. You've come to the right spot if you're intrigued about these unique, portable burners.

A Rocket Stove is a stove that uses small-diameter wood bits. Rocket Stove produce a lot of heat, and studies have explained that they are more efficient than ordinary stoves.  https://bit.ly/3qbrMwq