Yes, thanks for posting that, I saw and followed those links looking for info.
Although there is a definite trend toward higher fuel pressures feeding injectors to improve atomization,
see for example:
http://www.bionicdodge.com/bionic/index.php?topic=3027.0I have come to discover that past researchers at the auto companies and the research labs looked into this long ago and found that improvement in atomization has only a limited effect on improving fuel economy.
See for example the following graph from page 831 in John Heywood's text where a special vaporization device was used to make the air/fuel mixture on a gasoline engine on a dyno for what might be thought of as the ultimate in atomizaton:
