Everyone hates sitting in traffic. But what if you could skip the gridlock entirely and travel underground in a high speed pod instead? That was the vision behind Elon Musk's Hyperloop and back in 2017, Musk claimed he had secured official government approval to bring it to DC. It never happened. Tech journalist Matt Ribel is here to explain the bizarre story of how one of the most hyped transit promises in recent memory quietly collapsed. 

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