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Vehicle fuel cost-per-time display

  • US 8,630,792 B2
  • Filed: 05/02/2012
  • Issued: 01/14/2014
  • Est. Priority Date: 05/02/2011
  • Status: Active Grant
First Claim
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1. A system providing information to improve the efficiency of operating a vehicle, comprising:

  • an interface to a vehicle bus providing vehicle speed and fuel flow rate information;

    a real-time clock;

    an input to receive fuel price information;

    a processor in communication with the clock, the interface and the input, the processor being operative to compute the incremental cost of fuel relative to travel time; and

    a display for displaying the incremental cost as dynamic fuel cost (DFC), defined as the cost to operate the vehicle in dollars per hour or other currency as a function of time.

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