"Bruce L. Bergman" wrote in message
...
And metal halide high-bay or low-bay fixtures with the right
reflectors for the use give better light and are more energy efficient
per lumen than fluorescents.

Used to be, but no longer so.
Compare T8 or T5HO lamps to Metal halide. The CRI and lumens/watt and
lighting distribution is better on the T8's or T5HO's.
http://www.rebuild.org/attachments/p...MConnolloy.pdf