Paper shelf price labels are going away at thousands of Walmart stores. The company on Thursday announced an expanded roll-out of digital shelf labels that will allow it to update prices on over ...

Spectra 3100 has four colours, and Spectra 31000 Plus adds orange. Aurora e-paper is used in freezers and refrigerators; the tech is designed to withstand sub-zero temperatures.

The supermarket said the new labels will save an estimated more than 206 tonnes of carbon annually. The new technology also saves time for store workers who currently have to manually check and update ...