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That idea has been quantified, studied and done well, John.
However, like most sensible modern architectural advances, it is being done in Asia and Europe, while the US remains stuck in the 1950s/1970s, floundering as usual in scientific illiteracy, stubbornness, laziness, and the good ol Catch 22 standoff between outdated regulations and outdated architecture/construction. As in an increasing number of key respects, the US is stuck in the mud. But your idea is good, John.