Starting in 2014, we will see the end of the traditional 40 and 60-watt incandescent light bulbs. Why? Laws were signed back in 2007 by President George W. Bush to phase out inefficient bulbs and the ban on 40 and 60-watt ones go into effect at the start of the new year.

Instead of the energy sucking incandescent bulbs we'll see more halogen bulbs, compact fluorescent bulbs, LED bulbs and high efficiency incandescent. The good news is that all of these bulbs last longer and use far less energy. The bad news is that all of them cost more than traditional bulbs. (At least for now.)
Now, this doesn't mean the police are going to knock on your door to check your bulbs, it just means that manufacturers will no longer be producing these bulbs. We'll probably still see plenty of the traditional bulbs on store shelves for quite some time because retailers will still be able to sell whatever stock of the bulbs they still have.
FYI: The inefficient 75 and 100-watt bulbs were banned at the beginning of 2013 and ALL bulbs will have to be 60-70% more efficient than that old standard bulbs by 2020.
Here's a light bulb buying guide from CNet that could help you figure out what bulbs you'll need to buy in the future.
[CNN]

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