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| There are many methods of modeling vehicle fuel consumption and emissions, ranging from complex engineering to simplistic aggregate models. A relatively simple but accurate model of fuel consumption is presented using physical principles and empirical fits to engine measurements. This presentation describes the Physical Emission Rate Estimator (PERE) developed at the Environmental Protection Agency. This model can predict fuel economy as well as emissions for some vehicles over a variety of driving conditions. To hybridize the model, an electrical system is added to the powertrain to distribute power between the engine and the battery. The model is validated by Honda and Toyota hybrids.
Noon, 339 Strong Hall Bring a sandwich!
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