Just like wheelchair-accessible routes, Google Maps also shows you fuel-efficient routes. It’s a setting that you’d need to turn on just once, and all your future routes will have a fuel efficiency filter applied to them.
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Head over to Settings on Google Maps, tap Navigation, and scroll down to Prefer fuel-efficient routes. Turn the toggle switch on. Then scroll down to Engine type and pick your engine out of Gas, Diesel, Electric, Hybrid. Google Maps will pick a fuel-efficient route for you based on your engine type.
