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Method of heating and retaining heat in an internal combustion engine to improve fuel economy

  • US 20080061051A1
  • Filed: 09/13/2006
  • Published: 03/13/2008
  • Est. Priority Date: 09/13/2006
  • Status: Active Grant
First Claim
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1. A method of increasing the fuel economy of an engine by heating the engine, the steps of the method comprising:

  • activating a heating member attached to the engine;

    heating the engine to an operating temperature; and

    maintaining the engine at the operating temperature.

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