If you do EOC, you should put the SG in hybrid mode. Then, after you turn the engine off, turn the accessories back on. The gauge will read that you are burning a very small amount of fuel and your mileage will read around 1,000 mpg or so, give or take about 500mpg depending on speed. It may not be super accurate, but it will be better than letting the SG shut off during EOC.
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