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R-12 demand question
I have a question/theory that I have been thinking about, but i have
no evidence to support or dispute it.
On first thought, since virgin R-12 is no longer being manufactured
in the US, one might think its price will continue to increase as
supplies are consumed.
But the theory I was thinking of is, demand may fall faster than
supply. How? This could happen in two ways: Cars using R-12 are
taken out of service, or cars are fitted with R-134a conversion kits.
The cars that need R-12 service are getting older, as a group, each
year, and as such, they may be taken out of service for a number of
reasons (accident damage exceeding value of car, major mechanical
failure). Secondly, consumers may be pushed to buy R-134a kits by
shady repair shops who use scare tactics like telling them that R-12
is illegal, or it won't be available in less than a year, or
something like that.
Does anyone have any ideas on where data about the number of cars and
ages of cars in service in the USA is, and is anyone monitoring the
rate of sales of R-134a conversions? Using such data, could anyone
make an educated guess as to whether my theory might be correct?
Mandatory Audi content: I ask this question as I am contemplating
changing my Audi (86 4000Q, 100k miles) over to R-134a, or, should I
feel comfortable in keeping it as R-12, assuming that the entire car
has at most another ten years of life, before it is no longer