Achieveable? Sure. But not with the current battery technology. Good idea? Only if you like polluting the environment with coal-burning power plants and digging up the 3rd world for the rare minerals to build them with.
That 1000 lb battery in your Telsa required some Mexican to dig 250 TONS of the highest-grade lithium ore in the world, from a giant open pit mine in Sonora, Mexico. Then he had to treat it with another 250 tons of poisonous, stinking sulphuric acid to leach out the half-ton of lithium needed for your ONE battery. We've got lithium in America, but no sane American would allow an ecological disaster like that in their own back yard.
By the way, there are 1.5 billion vehicles in the world and at least 4.5 billion people still waiting for theirs. Do the math
No doubt, some day, all vehicles will be electric, but they will draw their power directly from the atmosphere, as Tesla demonstrated over a 100 years ago. They will probably also fly, using some as yet undiscovered mechanism. And the power won't come from a coal burning power plant, but from a solar farm in orbit, where the sun shines all the time and isn't filtered through 100 miles of atmosphere (or require mowing down a forest the size of Texas).
We've still got 100 years worth of fossil fuels left. What's the hurry?
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