Get ready to say good-bye to the traditional 40 and 60 watt light bulbs in the new year.

Beginning in January 2014, the bulbs will no longer be manufactured in or imported into the United States. Retailers will, however, be allowed to continue selling off the remaining stock of the bulbs. But once those in stock are sold—consumers will have to choose another option.

The move is the latest phase of an energy law signed by President George Bush in 2007. It's estimated that the U.S. has 4-billion screw based light sockets. Supporters of the move say the bulb switch will save consumers billions.

The traditional bulbs are being phased out to make way for energy saving bulbs. Traditional bulbs only convert 10-percent of the energy consumed into light. The rest is lost to heat.

The 100-watt and 75-watt traditional bulbs have already been phased out.

Such moves are not without controversy, since traditional or incandescent bulbs are the most popular in the country.

Manufacturers will replace the traditional light bulbs with halogen, compact fluorescent and LED bulbs.

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