New LED light bulbs cost $15, still too expensive
Lighting Science Group and Dixon Technologies today unveiled a new energy-efficient light bulb that uses light-emitting diodes (LEDs) priced for less than $15.
That brings LED lighting, which is much more efficient than typical incandescent lights, slightly closer to commercial viability. LED lights typically costs around $18 per kilolumen of light produced, while incandescent bulbs are around $2.20 per kilolumen. LED lighting bulbs probably won’t reach that point until 2015, Lux Research analyst Murray McCutcheon … Continue Reading
Biofuel investing falls as sector matures
Investing in biofuel companies that produce oil-alternatives fell 5.4 percent to $930 million in 2010, down from $980 invested in alternative fuel companies in 2009, according to a report from cleantech analysis firm Lux Research.
While investing in alternative fuels across the board fell, investments in biofuel companies that can produce a diverse number of products from typical feed stock rose to an all-time high of $698 million in 2010. That’s because the investment community … Continue Reading
Commercial LED lighting provider Lumenpulse raises $16M
Lumenpulse, a developer of commercial-grade light sources that use light-emitting diodes (LEDs), announced today it has raised $16 million in its first round of funding.
The company manufactures more than a dozen kinds of LED lights, some of which can generate up to 81 lumens — a measurement of visible light — per watt of electricity consumed for each foot of lighting the company installs. A typical incandescent bulb only generates around 14.6 lumens per … Continue Reading
Philips snags $10M L Prize with energy-efficient light bulb
The U.S. Department of Energy announced today that multinational electronics company Philips has snagged $10 million in the L Prize for developing an energy-efficient light bulb powered by light emitting diodes (LEDs).
The LED bulb can generate around 900 lumens — a measure of the amount of visible light emitted by a bulb — while consuming around 10 watts of electricity. Typical incandescent bulbs generate around 15 lumens per watt of electricity consumed, while this … Continue Reading
Cree’s new hyper-efficient light bulb may still be too expensive
Cree unveiled a new light-emitting diode (LED) light bulb that boasts the same output as a 75-watt incandescent bulb while consuming about one tenth of the electricity.
The bulb produces 152 lumens — a measure of the visible light emitted by a bulb — per watt of electricity consumed, while a typical incandescent bulb only generates around 14.6 lumens per watt. The new bulb, producing around 1,300 lumens using Cree’s new “TrueWhite” technology, exceeds the … Continue Reading
