Now arriving: A new problem on the Green Line. The T’s top official said Friday that recent failures of the overhead electrical system that have caused hours-long service disruptions revealed ...

It's a sad fact that birds are often killed when they collide with unseen overhead power lines. A new system is designed to keep that from happening, by using a drone and a robot to make those lines ...

NYPA uses fiber-optic sensing, based on the principles of distributed acoustic sensing, to identify power line conditions in real time. Drone view of the Princetown substation on the Central East ...