LED Christmas trees
CNET News.com reports here: More than ever, consumers, businesses, and public agencies are turning to light-emitting diodes to save energy while brightening their holiday displays. LEDs are solid-state semiconductors–light shines from a chip rather than passing through a bulb or tube. They generally use one-tenth the energy of an incandescent bulb and can last a decade or longer. They also produce almost no heat, thereby reducing fire potential.