phobos512
Well-Known Member
The point we're all trying to make to you is that MPGe is a means of comparison against vehicles that use electricity as a power source. It is meaningless in any other context.Other hybrid cars display MPGe though. It's calculating miles traveled using 33.7 kWh which is the electrical equivalent of one gallon of gasoline. Just as you get worse efficiency with gas in certain trips you can get worse efficient with electricity and not travel as far using 33.7 KWh. It's a simple calculation that the car can run.
I still think that the display in this video is showing 53.6 MPGe - how else could you explain that number? It should say 99+ (the infinity value). So what do we call it if MPGe is fuel economy rating for electricity, and MPG is the fuel economy for gas. It's a hybrid average of both as if the Jeep is treating every 33.7 KWh used as being a gallon of gasoline. I suspect that if in this video, he started to use gasoline that the number will drop down fast. That's becasue gasoline is not using all of the energy potential to move the car - ICEngines are inefficient that way. Battery power uses the full energy potential in the electricity to move the car, that's why MPGe is lot higher at 49 MPGe for the 4xe than on gas only at 20 MPG.
To your other comment, I owned a Hyundai Sonata Hybrid for three years 2014 - 2017; it did NOT use "MPGe" to display mileage. It only measured the usage of liquid gasoline fuel. Did it get 30-50 miles per gallon of fuel depending on the usage? Yes, yes it did.
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