Ecofont is a font that uses up to 20% less ink while printing. It is free to download and use and works on Windows Vista, 7, XP, MAC OS X and Linux.
Ecofont is created by omitting parts of the letter. The Ecofont works best in OpenOffice, AppleWorks and MS Office 2007. Printing with a laser printer will give the best printing results. The Ecofont works best when using font size 9 or 10.
Visit http://www.ecofont.com/ecofont_en.html for more info.