2009/1/12 Christopher Woods <[email protected]> > > > ------------------------------ > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Brian Butterworth > *Sent:* 12 January 2009 18:31 > *To:* [email protected] > *Subject:* Re: [backstage] BBC - "a typical Google search on a desktop > computer produces about 7g (0.25oz) of carbon dioxide" > > If we are going to be like that, why are UK traffic lights not LCD yet? > > > Some of the ones in Birmingham are... But only usually replaced when the > old ones burn out or get broken (which I fully agree with, no point emitting > CO2 driving round and replacing every single one when they still work > perfectly - the don't-replace-old-cars-with-new-cars argument). >
Which is a poor argument, as the LCD replacements would start saving money/power/CO2 straight away and would be fitted to the existing hardware. Their longer life would reduce the number of "driving arounds" by a factor of tens within the lifetime of the LED panel. Granted someone will have to change the coloured filters with transparent ones. --- Brian Butterworth follow me on twitter: http://twitter.com/briantist web: http://www.ukfree.tv - independent digital television and switchover advice, since 2002
