Google is developing a "Power-saving mode" for Google Maps, discovered in beta version 25.44.03.824313610. This mode switches the interface to black-and-white, focusing only on essential navigation details to conserve battery life. Users can activate it by pressing the physical power button while in navigation, enhancing accessibility for drivers. The feature may support various travel modes, but details on public transport routes remain unconfirmed. This update could significantly help users during low battery situations.