In article ,
says...

"Gramps' shop" wrote in message
...
Need to add some lighting. T8 or T12? Probably going with 2-tube 4
footers.

More - probably - than you'll ever need/want to know (downloads a PDF, takes
a while).
http://apps1.eere.energy.gov/buildin...offer_2013.pdf

To paraphrase it, if you want to save electricity, use LED; if you want max
light, use flourescent (use electronic ballast)

If you want good information about rapidly
changing technology, don't read a three year old
government report.