Google Maps has recently added a new feature that will direct you to the most fuel-efficient route to your destination. The little green-and-white leaf that is displayed right next to the estimated driving time guides you through the most fuel-efficient route as suggested by Google. In this way, the app helps the user to save some money on fuel. Google Maps is rolling out a fairly significant feature update to its Android and iOS apps to give folks an option to aid in reducing vehicle emissions. It’s called eco-friendly routing, and while it was announced a couple of weeks ago, we’re just starting to see it show up on our phones. Essentially, Google Maps will suggest a route that lowers fuel consumption. It may be slightly longer or take more time than the traditional “fastest” route, but the goal is to save fuel here. And in some cases, Google says, the fastest route will also be the most fuel-efficient route, so it’ll only share the one option. This feature of Google Maps works by using artificial intelligence in addition to the data provided by the Department of Energy's National Renewable Energy Laboratory. Otherhand, Google also revealed the Digital Car Key. It is an Android Smartphone-based technology that will be offered along with the rollout of the upcoming Android 12 OS. Users can lock, unlock and even start their car using a smartphone.