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Thanks for the answer Oleg.

Just to be clear; my worry is that Google view cars within one country as duplicate content, because they appear on different search URLs. Each country is placed on separate domains, so they should not influence each other.

The car listings are being indexed by Google. My fear was that Google's penalization algorithm works in a gradual way, meaning that maybe we are being penalized for duplicate content, even though the pages are being indexed. Does that sound correct?

Everything related to multilingual works pretty well I believe.

Hi all,We're running a used car search engine (http://autouncle.dk/en/) in Denmark, Sweden and soon Germany. The site works in a conventional search engine way with a search form and pages of search results (car adverts).The nature of car searching entails that the same advert exists on a large number of different urls (because of the many different search criteria and pagination). From my understanding this is problematic because Google will penalize the site for having duplicated content. Since the order of search results is mixed, I assume SEOmoz cannot always identify almost identical pages so the problem is perhaps bigger than what SEOmoz can tell us. In your opinion, what is the best strategy to solve this? We currently use a very simple canonical solution.For the record, besides collecting car adverts AutoUncle provide a lot of value to our large user base (including valuations on all cars) . We're not just another leech adword site. In fact, we don't have a single banner.Thanks in advance!