ScanGauge also has an adjustable timeout, which resets the current trip after n minutes. I can't recall where the setting is though. I think you might solve it if you set the timeout for longer than any of your EV episodes.
Coast long and prosper.
We've learned that diet has a closer relationship to cancer than we ever thought. Please see this Wikipedia article on The China Study
Driving '96 Accord DX. Planning on an Elio enclosed three-wheeler, due out 3rd-4th quarter 2015.