Most of the passengers emerging from the station in Bellvitge, a working-class neighborhood outside Barcelona, have no idea just how innovative the city’s subway system is. Using technology not ...

Most of the passengers emerging from the station in Bellvitge, a working-class neighborhood outside Barcelona, have no idea just how innovative the city’s subway system is. Using technology not ...

Sixteen stations of Barcelona’s subway system are part of its new MetroCharge project, whereby the energy from the underground trains’ brakes is used to power the trains and the stations ...

Each year, residents and tourists take 440 million trips on Barcelona’s subway system, which includes 165 stations linked by 78 miles of track. The transit agency has installed three inverters ...

Jordi Picas, head of systems for TMB, Barcelona’s subway, said that the public company estimates that it can recover the 7.3 million euros ($7.6 million) spent on MetroCharge, which includes ...

BARCELONA, Spain — 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 ...