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.
Driving '00 Honda Insight, acquired Feb 2016. On hold: plans to purchase an Elio enclosed reverse trike, due out some time in 2016.
We've learned that diet has a closer relationship to than we thought. Please see this Wikipedia article on The China Study