Ars Technica: “Google Maps has pointed out “eco-friendly” routes for a while now. If you have a gas-powered car, the logic is something like the “smoothest” ride with the least stops and starts will have the best fuel efficiency. But what if you don’t have a gas guzzler? Electric vehicles use the least power in basically the opposite situation: low-speed stop-and-go traffic. Google Maps’ newest feature will let you pick your car’s engine type, with “Gas,” “Diesel,” “Electric,” and “Hybrid” available as options for the eco-route planning to consider. Google says “in the coming weeks,” the feature will roll out to the US, Europe, and Canada. Europe is also getting its first taste of Google Maps eco-routing, starting today…”