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HYBRID VEHICLES

  • US 20110169460A1
  • Filed: 12/14/2010
  • Published: 07/14/2011
  • Est. Priority Date: 12/14/2009
  • Status: Abandoned Application
First Claim
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1. A method of operating a hybrid vehicle having an engine and a battery, comprising:

  • triggering the engine to charge the battery when a value of a battery variable falls below a predetermined threshold value during a normal journey; and

    triggering the engine to charge the battery when the battery variable value falls below a higher threshold during a non-normal journey.

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