VentureBeat’s best and worst of cleantech in 2010

It’s been quite a year for energy-related investments and other ventures looking to make some green from green. Here’s a look back on the biggest successes and flops of 2010.

The network is the light bulb: Smart lighting set to surge in 2011

This post is brought to you by IBM. As always, VentureBeat is adamant about maintaining editorial objectivity. IBM had no involvement in the content of this or other posts. For more information on how IBM can help create a Smarter Planet, go here.

GE bids to replace 40-watt bulbs with new LEDs

In just a few years, incandescent light bulbs have become a thing of the past — replaced by more energy efficient and affordable compact fluorescent bulbs. But now General Electric says it has a technology that could kill the standard light bulb altogether: A new light-emitting diode bulb that performs just like a 40-watt incandescent, but lasts more than 17 years.

Light bulbs are so over — Bridgelux brings LED lights down to $20

Light-emitting diodes (LEDs) may be backlighting your television and mobile phone screens, but they have yet to come to lamps and lighting systems for homes and businesses. Now, new technology is whittling down costs, making them a more practical choice. The latest advancement comes from LED maker Bridgelux, offering a new LED light for just $20.