Particular Problems with Exhaust Gas Analyses at Volkswagenwerk AG 680122

Various vehicle emission regulations and test procedures and their influence on Volkswagenwerk AG are described. Early planning of worldwide legislation is recommended. Information is given about flexible instrumentation and procedures to overcome the problems with different regulations. Emission test results of cross-checks between different test procedures are reported. The results show that correlation is possible to some extent. But a broad spectrum of correlation factors has been found.