To Get a Ride, Uber Says Take a Walk

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The latest variation of an Uber ride will require a short walk. In eight U.S. cities, the ride-hailing company is rolling out a service called "Express Pool," which links riders in the same area who want to travel to similar destinations. Once linked, riders would…


Off-grid Power Pioneers Pour Into West Africa

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Standing by a towering equatorial forest, Jean-Noel Kouame’s new breeze-block house may be beyond the reach of Ivory Coast’s power grid, but it’s perfectly located for solar power entrepreneurs. Buoyed by success in East Africa, off-grid solar power startups are pouring into West Africa, offering…