It's optimal to coast if you can avoid regeneration, but if you must brake then you want as much of that to be regenerative as possible. On both EVs and on hyb

It's optimal to coast if you can avoid regeneration, but if you must brake then you want as much of that to be regenerative as possible. On both EVs and on hybrids. EVs have more regenerative braking power and capacity though; my Prius fills up rapidly when descending a mountain.