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When 'A' isn't enough, there are appliances with 'AA' or 'A+'. I've seen washing machines rated 'Double A+', meaning they not only save electricity but also water.
I can't find the source now, but I may have read that the tire ratings will be given by the manufacturer, not some independent institution. This would mean that each company can rate their tire however they please, making comparing two tires almost impossible. I may have this mixed up with something else, so don't believe me until a source is found.
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e·co·mod·ding: the art of turning vehicles into what they should be
What matters is where you're going, not how fast.
"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell
[Old] Piwoslaw's Peugeot 307sw modding thread
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