Jul.28 (GMM) The blown exhaust saga may not be over for long, according to Germany's Auto Motor und Sport.

The report said there are loopholes in the new rules for 2012 that will require the exhausts to exit at the top of the car rather than into the diffuser.

The new issue - the continuing possibility of the gases being used for aerodynamic effect in 2012 - was reportedly raised during a meeting of technical bosses at the Nurburgring last weekend.

Sauber's technical boss James Key admitted that the new rules might contain some loopholes.

"It's difficult to say what will happen when the teams have had six months to think about it," he said.

But he said the 2012 rules are better than the ones that are in place at present with regards to exhaust blowing.

"It will definitely not be a situation like the one we have right now," said Key.

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