Sanhaja (AFP) Mar 29, 2025 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 handful of compacted olive residue - a thick paste left over from oil extraction - Khelifi said: "This is what we need today. How can we turn something worthless into wealth?" For generation
