I work in the automotive business. The method that auto companies use to size their fuel tanks is by range. The range of a typical vehicle is fairly wide but never less than 300 miles in typcial driving (EPA composite fuel economy rating times the number of gallons in the tank). Some are as high as 375 miles. So you see the range of any SUV at FLV (fully loaded vehicle) will typcially be 325-350 miles.
Fuel cells are likely the best answer because, another saying in the electric vehicle business was, "there are only three things keeping electric vehicles off the road: 1) batteries (technology), 2) Batteries and 3) BATTERIES. Until power density (amount of energy "in the bag" vs. mass) and re-charging chemistry (how fast i can "fill the bag") then electrics will continue as a curiosity. If an engineer were going to design a fuel for personal transportation it would: A) Have high energy to mass ratio, B) Deliver easily and safely at standard temperatures and pressures, C) Be easily packaged on the vehicle... you'd have Gasoline! The best hope for EV's will likely be fuel cells.
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I work in the automotive business. The method that auto companies use to size their fuel tanks is by range. The range of a typical vehicle is fairly wide but never less than 300 miles in typcial driving (EPA composite fuel economy rating times the number of gallons in the tank). Some are as high as 375 miles. So you see the range of any SUV at FLV (fully loaded vehicle) will typcially be 325-350 miles.
Fuel cells are likely the best answer because, another saying in the electric vehicle business was, "there are only three things keeping electric vehicles off the road: 1) batteries (technology), 2) Batteries and 3) BATTERIES. Until power density (amount of energy "in the bag" vs. mass) and re-charging chemistry (how fast i can "fill the bag") then electrics will continue as a curiosity. If an engineer were going to design a fuel for personal transportation it would: A) Have high energy to mass ratio, B) Deliver easily and safely at standard temperatures and pressures, C) Be easily packaged on the vehicle ... you'd have Gasoline! The best hope for EV's will likely be fuel cells.