We clearly need one, but what will it be based on:
Perhaps our transition will look like this:
But at present, the US is totally screwed in terms of having any kind of buffer in our present oil-driven economy:
In principle, that buffer is provided by the Strategic Petroleum Reserve:
In reality, the SPR is anything but strategic.
The total capacity of the US SPR is 717 Million barells; If all sources of world oil production shut down, then, at current usage levels, this can supply us with oil for about 2 months. BFD