Entertainment

This week on Electrek’s Wheel-E podcast, we discuss the most popular news stories from the world of electric bikes and other nontraditional electric vehicles. This time that includes Amazon’s new delivery via cargo e-bikes, Bafang releasing a new internally geared hub for bikes, the potential for USB-C e-bike charging, an awesome new European-built electric scooter called the
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Finnish startup Polar Night Energy and local Finnish utility Vatajankoski have together built the world’s first commercial sand-based, high-temperature heat storage system that can be powered by solar and wind. Sand-filled energy storage in Finland Polar Night Energy’s heat storage system is a 23-foot-tall steel container filled with 100 tons of sand. (Polar Night Energy
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