Note: this post is from 2007, outbound links may be broken.
Fresh2 deodorizing compact fluorescent light bulbs
Fresh2 claims to be a revolutionary light bulb that safely breaks down odors, while providing energy-efficient light. A healthy alternative to traditional, chemically based air fresheners.
Fresh2 light bulb
According to their website, the Fresh2 bulbs have a titanium dioxide coating which creates extermely strong oxidizers when exposed to the fluorescent light given off by the bulb itself. This oxidization process should breaks down odors completely.
Check the Fresh2 site for more information.
Link via Gadgetgarden.nl