U.S. green energy manufacturing is mostly assembled from foreign parts
April 22, 2010, 5:36 p.m. by Katherine Butler
Tax breaks aimed at rewarding homegrown goods also benefit foreign companies that assemble their green energy products on American soil.
Everyday vibrations could recharge your MP3 player
December 1, 2009, 6:48 a.m. by Bryan Nelson
Natural vibrations from the environment could be harnessed as a clean source of energy to power electronic devices, say scientists.