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Old 06-07-2012, 07:28 PM   #6 (permalink)
2000mc
herp derp Apprentice
 
Join Date: Oct 2008
Location: Lawrence, KS
Posts: 1,049

Saturn-sold - '99 saturn sc1
Team Saturn
90 day: 28.28 mpg (US)

Yukon - '03 GMC Yukon Denali
90 day: 13.74 mpg (US)
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i think all fluorescent lights use a ballast anyway. google 12v fluorescent ballast

if you are coming out ahead, watts to lumens wise, i think it would be hard to not lose all your gained efficiency to aiming / focusing issues.
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