BARCELONA, Spain (AP) — 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 ...

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 is ...

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 unlike ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. BARCELONA, Spain (AP) — The Barcelona subway ...