The Catalan city of Barcelona, home to Sagrada Família, is now partially powered by its own Metro underground trains, thanks to a system called regenerative braking. When an electric vehicle is slowed ...
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Barcelona's metro trains are helping to charge the city's EVs each time they brake. Here's how
The Barcelona subway grinds to a halt, the doors slide open and commuters pour out to go about their daily business. Little do they know that as they do so, a burst of energy is sent up to street ...
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