Teen innovators in Kenya turn farm waste into award-winning vehicle exhaust filter
NAIROBI — Two 17-year-old students from Kiambu county in Kenya were declared winners of the Africa region Earth Prize on May 12, for a low-cost maize- and coconut-based vehicle exhaust filtration system they developed. Fredrick Njoroge Kariuki and Miron Onsarigo, students at M-PESA Foundation Academy, developed the system, HewaSafi, meaning “clean air” in Swahili, after […]
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