I have no idea. It's probably more to do with the fact
that they are able to control emissions so much better
now that they can drop items and still meet the requirement
for this market. I'm sure markets like California still require
On the other hand, air pumps are back on a lot of the newer
cars. They use electric air pumps now that just sit behind
the fenders. They seem to fail quite frequently, but it's easy
to diagnose...sounds like jet engine reving up when you
first start the engine.
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