Lighten that lead foot with a green app

As Joe Hutsko (greeninc.blogs.nytimes.com) reports, a new application on the App Store — greenMeter — can help you lower your “car‘s impact on the environment” by tapping “into the iPhone’s built-in accelerometer to gauge the car’s rate of forward acceleration, which in turn informs a series of real-time vehicle readings like fuel efficiency (miles per gallon) and carbon footprint.” (link)