Quote:Running one car for 30 to 40 yrs is a lot less polluting than running a new car every 3-4 years for 30 to 40 yrs. :oldgit:
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You're absolutely right, and I once worked it out, due to an uncharacteristically heated debate with environmentalists on the internet.
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Taking a VW Golf at 50mpg and comparing it to an old V8 gas guzzler running at 18mpg, -Â if you build a VW Golf to replace and retire the gas guzzler, there is no environmental benefit until the Golf has traveled 100,000 miles or so, and the overall gains if the golf gets to 150,000 are still marginal
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It's interesting that the concept of replacing power consuming products with higher efficiency versions rarely results in an environmental gain when you consider the full 'dust to dust' life cycles.........hmmmmm. it's almost like 'better efficency' is a cracking good sales scam