In other words, the cost of the battery dwarfs the cost of the electric ty, and sadly it also dwarfs the cost of gasoline in most cars," software architect Brad Templeton recently wrote on his blog, Brad Ideas. "With an electric car, you are effectively paying most of your fuel costs up front. You may also be adding home charging station costs. This helps us learn how much cheaper we must make the battery."

A trailer, Templeton writes.

 

There are a few different variations of the trailer concept, but the simplest one is a "pusher trailer" with a motor that pushes you from behind, Templeton says.