India, Feb. 19 -- Accenture has helped Metro de Madrid develop and implement a self-learning AI-based ventilation system that mini-mizes energy costs and emissions and ensures high air quali-ty in metro stations and commuters' comfort.

The artificial intelligence (AI)-based system has enabled Metro de Madrid to reduce its energy costs for ventilation by 25 percent and cut CO2 emissions by 1,800 tons annually. Accenture will present the system at this year's MWC (formerly known as Mobile World Congress) in Barcelona, February 25 to 28.

On average, 2.3 million commuters use Metro de Madrid's network of 294 kilometers of track and 301 stations every day. To help passengers stay cool inside stations, particularly during the hot summer month...