Can they actually learn to use a tunnel?
FFS, can they actually run this through a tunnel for once?
An example of how far can you go starting from the same ugly vectra roots - the new SAAB.
I am willing to bet a case of beer that it has a lower drag coefficient than this "enviromentally friendly vehicle". This is outright silly because GM definitely has way more resources than a minor sports car manufacturer which has taken over a bankrupt ex-GM subsidiary.