Slashdot | Michigan Diagnostic Software Case Big Win for GPL: "'Many people claim that the validity of the GNU Public License has not been tested in court in the US. Well, it just had been, in Michigan, in a case that validated open-source car diagnostic software against the pretension of automakers who want to keep it secret. But don't take my word for it; read the story on GROKLAW.' It's actually the Society of Automotive Engineers involved here; DrewTech (the developers in this case) nicely donated half of their settlement money to the SAE."