What is green leaf symbol on 2003 Ford Ranger?

The green leaf symbol on a 2003 Ford Ranger indicates that the vehicle is equipped with a "smart" or "eco" feature that promotes fuel efficiency. This symbol typically illuminates when the vehicle is operating in a manner that conserves fuel or is in an optimal driving mode. It's part of the vehicle's efforts to encourage eco-friendly driving habits. If the light is on, it suggests that the driver is using techniques that enhance fuel economy.