Yassine Khelifi's small workshop hums as a large machine turns olive waste into a valuable energy source in a country heavily reliant on imported fuel. Holding a handful of compacted olive residue ...

Yassine Khelifi's small workshop hums as a large machine turns olive waste into a valuable energy source in a country heavily reliant on imported fuel. Holding a handful of compacted olive residue -- ...

In a northern Tunisian olive grove, Yassine Khelifi's small workshop hums as a large machine turns olive waste into a valuable energy source in a country heavily reliant on imported fuel. Holding a ...

How can we turn something worthless into wealth?” For generations, rural households in Tunisia have burned olive waste for cooking and heating, or used it as animal feed. The International Olive ...