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System for providing fuel-efficient driving information for vehicles

  • US 8,055,439 B2
  • Filed: 11/24/2008
  • Issued: 11/08/2011
  • Est. Priority Date: 12/18/2007
  • Status: Expired due to Fees
First Claim
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1. A system for providing fuel-efficient driving information for a vehicle, the system comprising:

  • a fuel-efficient driving area calculation unit for calculating a variable fuel-efficient driving area, which is divided into economical, semi-economical, and uneconomical regions, depending on an increase or decrease of speed of the vehicle, calculating a current fuel efficiency of the vehicle, receiving information about the type and condition of a road from a Global Positioning System (GPS), and adjusting the regions in the fuel-efficient driving area to prompt the driver to increase or decrease the vehicle speed in advance; and

    a display unit for displaying the fuel-efficient driving area using information calculated by the fuel-efficient driving area calculation unit, and indicating the current fuel efficiency with the regions.

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