I have a plug-in hybrid (Toyota RAV4 Prime). It doesn't support flex fuel, but it's an awesome implementation- I typically drive for months before having to re

I have a plug-in hybrid (Toyota RAV4 Prime). It doesn't support flex fuel, but it's an awesome implementation- I typically drive for months before having to refuel the 10 gallon tank, with most of my driving on the battery. There's no dynamo, it switches from charging to discharging smoothly.