http://large.stanford.edu/courses/2010/ph240/eason2/ | After reviewing this article, I estimated that a lithium based economy may only last 50 years. It just doesn't seem like a truely sustainable solution. Much better than what is going on now though.
https://www.newyorker.com/magazine/2014/03/03/a-star-in-a-bottle | Excellent article on the ITER fusion project in France.
http://www.roadtraffic-technology.com/projects/baldock-solar-highway/ (the location of this information changed and I have not double checked the accuracy of this new link) | This is an article on Oregon's Baldock highway solar array near Wilsonville. I made a bunch of computations off of this that suggest if all residential electric customers in the US paid $20/month directly into solar highway programs, it would take approximately 40 years to reach a capacity of 13% of our current usage of electricity (based on 24 hour usage, 26% just during daylight hours). And that would be a whole lot of panels. If fusion works out well, they would just be trash. I think fusion makes more sense, but solar and wind are what we have now.
40% of people driving 40% less would equate to a non-commercial traffic decrease of 16%. If you conservatively estimate that all adults (250 million) drive 20 miles a day and a car gets 20 miles per gallon, that would save 40 million gallons of gas a day (250 million x 0.16).
Google says the typical tanker ship carries 2 million barrels of oil. Google also says that 20 gallons of gasoline and 11 gallons of diesel fuel can be made from a barrel. So one tanker ship can make 40 million gallons of gasoline. This is the math I use when I say the 4040 plan saves a tanker ship of oil a day. Yes, that doesn't count the diesel, but my numbers of how much people drive is somewhat conservative. It's approximate.
Where did 4040 come from? Looking through my car maintenance logs, I found that I was driving 40% less when I started working from home without really even trying to conserve. Now that I'm trying, I'm about 75% lower and just a few months ago I got rid of my car entirely. I mostly ride my bike now. So that is the 40% less. 40% of people, well that is really just a guess. A lot of people have office jobs where I live. That number is probably a little high, but driving 40% less is probably a little low. So these two numbers probably balance each other out.