My interest is lower gas and diesel use. I think PHEV can compete with EV if
Range = 80 miles
Government incentives = every 10,00 miles of battery travel gains $1000 incentive for the first 30,000 miles ( so folks are in the habit of charging.
Nice to have would be 5 minute charge time at public chargers. Likely 90% of charging L1 as that is cheap and easy.