Quote:
Originally Posted by slob
however unless I'm mistaken TFL does this on a per vehicle basis due to potential detail differences in the model specs, so that doesn't automatically exempt other 620s of similar vintage.
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A group of Porsche 996 owners got TFL to exempt 996's 2002 onwards 3.4 engine and all 996 Turbo's as they all had low enough NOx levels and it was certificated at the time. The earlier 3.2 engine has higher levels so is subject to the charge.