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In terms of solar and nuclear power, what if we decided that, yes indeed, starting today we are going to go all out to, as France does, get 70% of our power from nuke plants. How long would that take? I really don't know. I'm guessing 20 years?
Let's say in 2 years someone has developed an electric car that can go 400 miles at 75mph on one charge. How long until even 50% of the cars on the road are that? Maybe 5-10 years.
Let's say in 2 years an affordable hydrogen cell automobile is available. How long until the infrastructure is there to support that? Even with all out effort, 15 years? I think that's optimistic, really.
So, yeah.....I do think it's decades away. This doesn't mean we shouldn't be pushing toward those goals. It isn't the difficulty of the projects that I find to be daunting, it is the sheer mass of the change over.
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