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Turn eco-friendly routing on or off on your Google Maps app

The Google Maps app displays fuel-efficiency estimates on some routes. The more fuel-efficient the route, the lower your car’s fuel usage and CO2 emissions.

By default, Maps factors fuel-efficiency into the routes that it chooses for you. Most of the time, the fastest route is also the most fuel-efficient one.

When you turn this feature off, you always get the fastest route. Maps stops factoring in fuel-efficiency for route recommendations. However, your fuel-efficiency estimates still show up.

Turn eco-friendly routing on or off after getting directions

  1. On your mobile device, open the Google Maps app. 
  2. Search for your destination or tap it on the map.
  3. In the bottom left, tap Directions.  
  4. In the top right, tap More More and then Route options.
  5. Turn on or off Prefer fuel-efficient routes.

Turn eco-friendly routing on or off in the Google Maps app

  1. On your mobile device, open the Google Maps app Maps.
  2. Tap your profile picture or initial Account Circle and then Settings Settings and then Navigation settings.
  3. Scroll to Route Options and then Tap Prefer fuel-efficient routes.

Tips:

  • This setting might not yet be available to everyone.
  • Fuel-efficiency estimates apply to vehicles that run on gas or diesel only.

How Google Maps calculates fuel-efficiency

Google Maps calculates fuel-efficiency using information from the US Department of Energy’s National Renewable Energy Laboratory. This calculation includes factors that affect your fuel usage and CO2 emissions, such as:

  • Average fuel consumption for vehicles in your region
  • Steepness of hills on your route
  • Stop-and-go traffic patterns
  • Types of roads (such as local roads or highways)

Maps shows the most fuel-efficient route when it has roughly the same arrival time as the fastest route. In cases where fuel savings are too small or increase driving time significantly, Maps shows relative fuel savings between routes to help you compare.

Read more about eco-friendly routing technology (PDF).

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