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So where is the energy going to come from? Fairy dust?

Sarcasm aside; this is a very good question. It's definitely one of those hurdles that will have to be figured out. As I said in my last post; this may spur more solar powered homes so more power can be diverted to transportation or possibly more nuclear power plants will need to come online.

One of my biggest concerns is how vulnerable will we be from targeted EMP blasts? Can key electronic components be shielded somehow to prevent the EMP blasts from hurting the electronics in our homes and cars? What about the power plants themselves? Can they be protected. The more we put all our electric eggs in one basket the more vulnerable we become IMHO.

I do like the idea of the low maintenance required for a basic electric car or bike. Change the tires and check the bearings and brake pads. That's about it. No engine oil, coolant, or transmission oil changes needed. Maybe differential oil. No warm up time either. Just turn the key on and go. Heating and cooling would be other hurdles to overcome due to the amount of energy they take.

What would be really cool is a one piece unit or kit that could replace the engine in our current cars and trucks. Instead of the heavy engine under the hood; it would be a bank of batteries and an electric motor connected to a very simple one gear forward and reverse transmission or differential. Transmissions are actually optional in electric vehicles due to the range of power and rpm's the motor can produce. It's a very different way of looking at how they operate. Reverse may simply be a separate starter type motor since we rarely go more than 20 feet when backing up.

No one has all the answers right now but they will be figured out as tech becomes available. Movie makers had to wait on computer generated graphics to catch up to what they wanted to make before they could make them. It will be the same way with this new way of thinking about transportation.