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Mercedes' Wolff says Hamilton Rosberg rivalry won't boil over

MERCEDES motorsport boss Toto Wolff is confident the simmering rivalry between Lewis Hamilton and Nico Rosberg will not boil over and has revealed the pair may be allowed to duel for the Formula One title. German Rosberg leads the drivers' standings on 202 points, with Briton Hamilton 11 points behind and their nearest rival Daniel Ricciardo (Red Bull) a further 60 points adrift. Mercedes have won nine of the 11 grands prix this season and it appears Rosberg and Hamilton, whose relationship has been frosty of late, are in pole position for the title.

The 500-hp club: The room is getting crowded

At a time when fuel economy counts for just about everything, there's still a horsepower war raging in the United States. The number of fire-breathing wedge-shaped supercars and hot sedans and coupes that can pump out 500 hp or better has nearly doubled in the past five years to more than 70. A decade ago there were just two members of the 500 hp club in the United States: the Ferrari 575M and Lamborghini Murcielago.

Breedlove's Back!

Craig Breedlove, the land-speed racer who set records at over 400, 500 and 600 mph has a new race car on the drawing boards and is the feature of a couple other projects. We caught up with him recently in Los Angeles. It seems Breedlove always had a car project in the works; most recently, he took the Spirit of America Formula Shell LSRV to almost 700 mph on the Black Rock Desert in 1996.