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dpb dpb is offline
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Default Quick basic advice on a dripping gas 40-gal hot-water heater

wrote:
....
well everyone knew the old tests werent valid yet it took many years
to get them changed


Which old tests weren't valid, specifically? And why?

That they weren't necessarily representative of average driving doesn't
mean they were "invalid tests"; it simply means they were of value only
as comparative to each other for those circumstances. Assuming you're
talking of the previous EPA Standard tests, that's no different than the
current tests--only the test conditions have changed, nothing about the
administration or control of the test data, etc.

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