plans on adding an instant fuel economy
reader to every new Nissan and Infiniti
it sells by 2010, and the meter is already available Stateside in the Altima
. The gauge is being added to show drivers how to drive with reduced fuel consumption in mind, and Nissan thinks owners can achieve 10% better fuel economy after using the gauge to adjust driving habits.
As an owner of a Volvo S40
with the same feature, I can personally tell you it works. My fuel economy went from 24.5 MPG to 27 MPG within a couple weeks of discovering the feature, and all it took was more coasting before stop lights, and less heavy acceleration from a stop.
[Source: Autoblog Green