A 30 minute charge for every 4 hours of driving is already practical for a long drive. Every safety organisation and fatigue management plan on the planet says you need to stop more often than that for fatigue anyway.
If some is regularly driving more than 200mi/320km in a day (more than the average car drives in a week) without a break on those trips, then a hybrid car is probably a better bet for the foreseeable future.
A 30 minute charge for every 4 hours of driving is already practical for a long drive. Every safety organisation and fatigue management plan on the planet says you need to stop more often than that for fatigue anyway.
If some is regularly driving more than 200mi/320km in a day (more than the average car drives in a week) without a break on those trips, then a hybrid car is probably a better bet for the foreseeable future.