Inventors:
Nicolae Ghitea - Tigard OR
James M. Ehlbeck - La Center WA
Assignee:
Freightliner Corporation - Portland OR
International Classification:
G01M 1500
Abstract:
An improved fuel economy device computes a filtered rate of change of instantaneous fuel economy or a filtered instantaneous fuel economy and repetitively updates a graphical display depicting the current fuel economy. The fuel economy can be displayed as a percentage of a target fuel economy, programmed by the driver or other operator of the vehicle.