Well I don't think that's correct elhigh. Inconclusive as to causes, sure. And I pointed that out myself. But aggregate, general data is good for identifying trends and promoting further investigation. As this simple data does. I am sure CARB has the data you describe because all emissions reports are immeditately sent to them electronically. But this data helps draw attention to the trend. And we can theorize further questions. Since the Insight and the Prius compete against one another for the same segment of the car buying public it would be hard to explain the opposite outcomes in longterm emissions reliability through driver factors alone. Chances are there is something about their systems too. We already know that Honda and Toyota are using quite different hybrid technologies. So the data seems to show that there is something worth further investigation.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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