Photo by stevendamron via Flickr The US Dept. of Transportation released its report (.pdf) on miles driven in the country for June 2008. It found that Californians drove more than billion fewer miles this year when we drove 28.8 billion miles than June 2007. That's a 3.7 % drop. Still, California topped the nation in miles driven. But as Dan Walters at SacBee's California by the Numbers The Numbers blog notes, "we're more than......