Absent a breakthrough in battery technology, EV-like airliners are unlikely, and in any event would not be a complete fix for "fuel economy" problems -- it isn'

Absent a breakthrough in battery technology, EV-like airliners are unlikely, and in any event would not be a complete fix for "fuel economy" problems -- it isn't just about the simple cost of fuel, but also about range, size/weight/materials, and the number of passengers (and degree of comfort).