This is a bit like the spiritual biographies once popular a century and more ago. "Purity" has a price, it's own pitfalls. Yet there is no other way once started.
However the decisions on this come out one can assume (I think it fair to say) that the whole thing -- driving, personal transportation -- is now in the realm one might wish it to have been from the beginning.
My own take is that I wish for the vehicle to last as long as is possible. That means there will be trade-offs, some for fuel consumption and some for emissions. Then there is the practicality of ones personal situation which can make a mess of all of it. But I learn more as I learn more is both the "salvation" and the conundrum.
As Old Mech said, it's a great thread.
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