Over the past year or so, corporate climate leaders have begun to take responsibility when international agreements can only provide useful answers, not actions. We saw this demonstrated visibly last September when many Fortune 500 CEOs joined presidents, prime ministers, and ordinary people in New York to discuss climate at … [continued]
The price of a typical high efficiency LED light bulb has been falling off the cliff lately, and it’s going to take another steep dive because the Energy Department has just chipped in $10.5 million for a new push to get more low cost LEDs into more sockets. The money … [continued]
By Denis Kuznetsov Open innovation has been a hot topic in the business world since its introduction by Professor H. Chesbrough in 2003. Having initially evolved in technology and consumer goods corporations (like IBM and P&G), the open innovation paradigm is now spreading to most industries, including energy and cleantech. In simple words, the … [continued]
Philips has just released its SlimStyle BR30 indoor LED floodlight for a low $12.97. The SlimStyle BR30 was built using Luxeon mid-power LEDs, which were constructed at the Philips Lumiled facility in San Jose, California. Efficiency And Performance Of The SlimStyle BR30 LED Lamp This LED floodlight consumes 9.5 watts, and provides 650 lumens … [continued]
Before too long, I’m going to publish reviews of three CREE LED bulbs. But before getting to that I wanted to pass along a quick note regarding the rather big news that you can now get CREE LEDs in Home Depot for a mere $6.97. That’s for a bulb that is … [continued]
Indoor vertical farms are on the rise, thanks partly to new high efficiency LED growing lights that cut electricity costs to the bone. LED farming translates into new opportunities for siting year-round hyperlocal, organic farm-to-table operations, especially if you throw in an assist from wind or solar energy. Global lighting … [continued]
Philips’ new 15-watt & 19-watt LED bulbs (75-watt and 100-watt incandescent equivalents) have now received ENERGY STAR certification and can be bought for as low as $10 and $15, respectively, after utility rebates. The LED bulbs can be found in The Home Depot for $19.97 (the 15-watt / 75-watt equivalent) … [continued]
I was recently offered a Philips SlimStyle LED for review. $0 is a pretty good price for an LED, so I took it. I have to admit that this is the first LED I’m using as a “normal light bulb.” All the others we have are CFLs. After about one … [continued]
There are a handful of top cleantech stories we simply couldn’t get to over the past week. Below are quick snapshots of them (+ links) for cleantech enthusiasts who could be deprived of some useful information if we didn’t share. Enjoy! Battery Development May Extend Range of Electric Cars It’s … [continued]
Buenos Aires is about to undergo an enormous streetlamp retrofit — 125,000 outdated streetlamp bulbs will be replaced with new, energy-efficient LED bulbs provided by corporate giant Philips. The new LEDs are expected to reduce the Argentinean city’s energy use by as much as 50% — and thus notably reduce … [continued]
