L’Air Liquide (EPA:AI) Stock Price Crosses Above Two Hundred Day Moving Average ...
L’Air Liquide S.A. (EPA:AI – Get Free Report)’s share price crossed above its 200-day moving average during trading on Wednesday . The stock has a 200-day moving average of €163.99 ($170.82) and ...
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How a Cameroonian stove turned recycled oil into clean fuel
How an engineer in Cameroon developed a formula for recycling oil and designing a stove that can use it in a safe kitchen ...