Despite selling his fleet of Hummers -- and just two days after speaking at a climate change event -- Arnold was spotted getting out of his new 6.1-liter V-8 2008 Dodge Challenger SRT8 on Sunday.

Between his new ride and taking his Gulfstream Jet to Sacramento every morning, Arnold is on a mission to pump up ... America's reliance on foreign oil!

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JEN AND JOHN ALL OVER EACHOTHER

John Mayer and Jennifer Aniston were all over each other in London this weekend. Paps can't get enough of these fools -- they're both bigger in the tabs now than they had been in the past. The question is ...

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NO KISSING FOR DAVID

Seventeen Magazine asked American Idol's resident fetus, David Archuleta, about his first kiss. David answered, "I haven't had a first kiss."

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UMA THERMAN IS ENGAGED!

After dating for a year, Uma Thurman and Swiss financier and multi-millionaire, Arpad "Arki" Busson, are engaged.