Patent ID: 8249788
Filing Date: 2012-08-21
Classification: G07C

Abstract:
1. An information method of economical driving for a manual transmission vehicle, comprising the steps of: a) estimating a present gear stage by present engine RPM and present vehicle speed; b) designating shift stage change lines in a driving performance guidance map where a fuel consumption rate area in accordance with BSFC (“Brake Specific Fuel Consumption”) is displayed in the driving performance guidance map; c) determining a present position of a vehicle in the driving performance guidance map, wherein the present position is determined by present torque and the present vehicle speed of the vehicle; d) calculating fuel consumption rate when the vehicle changes a present shift stage to an upper stage or a lower stage; e) judging whether or not the fuel consumption rate is improved at the time of changing the present shift stage to the upper stage or the lower stage; and f) providing information for inducing the present shift stage to be changed to the upper stage or the lower stage if the fuel consumption rate is improved at the time of changing the present shift stage to the upper stage or the lower stage; wherein the step of designating the shift stage change lines includes the steps of: