My wife just mashes the gas at will with little thought of any fuel conservation.
I usually park my HCH 1 out of the way, kind of a hastle to get to.

I keep her Grand Caravan gassed, cleaned and ready right there in the driveway for her. That usually does the trick as far as that's concerned.

Flash, I also use side streets- and leave a few minutes early. It makes for a more pleasant, less stressful drive and increases my MPG by 5-25MPG. (I'll explain that spread if you wish)

Tarabell's article is awesome.
In a nutshell...no matter what you drive- be it HCH 2, Prius, any EX or a big truck- gradual acceleration in the vehicles efficiency band (HCH 1 CVT is the edge of Assist on-off) and slower crusing speeds with lightest cruising foot possible will deliver maximum economy.

Efficient drivers do it better.
1003 miles a tank personal record. 74MPG calculated. HCH1 CVT