MPG meter accuracy?
#16
Lexus Test Driver
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what you are calculating is fuel consumption for a specific condition. if you total overall consumption for a certain volume of fuel, that is referred to as fuel economy. Most manufacturers use a nominal average of city driving consumption and highway driving consumption to come up with thei fuel economy numbers, and those don't have idle time in them.
#17
Driver School Candidate
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
what you are calculating is fuel consumption for a specific condition. if you total overall consumption for a certain volume of fuel, that is referred to as fuel economy. Most manufacturers use a nominal average of city driving consumption and highway driving consumption to come up with thei fuel economy numbers, and those don't have idle time in them.
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