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Vinod's views on green car tech of future
16 hours ago ago from ZDNet Blogs
December 16th, 2009 Vinod's views on green car tech of future Posted by Harry Fuller @ 4:14 pm Categories: Blogroll , air pollution , biofuel , cars & traffic , energy , engineering , environmental health , fossil fuel , green tech Tags: Car , Vinod , Vinod Khosla , Khosla , Harry Fuller At a recent Going Green West conference Vinod Khosla was keynote speaker: Electric cars won't become a globally successful product unless ...
Related contentUnintended Consequence of Technology: New LED traffic lights can't melt snow
18 hours ago ago from Autoblog
Traffic lights using state-of-the-art LED illumination use 90 percent less electricity, offer a much longer service life and are more durable than their incandescent counterparts. Taking advantage of the countless benefits, cities around the country have been replacing traditional filament-based traffic signal bulbs with LEDs for years. Unfortunately, the low-watt LED units burn much cooler than its white-hot counterpart making it unable to ...
Related contentLED traffic lights don't melt snow, do cause accidents
2 hours ago ago from Engadget
A number of cold weather American states are reporting their dismay at finding out that LED traffic lights are so energy efficient that they do not produce enough excess heat to dissipate any snow that covers them. It turns out, perhaps in an homage to bad engineering everywhere, that the inefficiency of incandescent light bulbs was previously relied upon to keep traffic signals unimpeded. The new LEDs do not achieve the same effect, which ...
Related contentBBC Nearly Crashed Led Zeppelin on Take-Off
6 hours ago ago from Spinner
They went on to become one of the biggest bands in the world, and stormed the world with all the power and destruction of a Viking raiding party, but documents unearthed from the BBC's written archive have revealed that the broadcaster's producers were initially dismissive of rock behemoths Led Zeppelin. The judgments came to light when researchers were working on a radio documentary on the band which is scheduled to be broadcast on BBC 6 ...
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