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To stay square with the EPA, makers of big diesel engines have found new ways to curb the clouds of noxious diesel exhaust. But the low-emissions engines carry a high price.
As engine makers and fleet operators work toward building and operating vehicles that reduce particulates and noxious gases, some out-of-the-mainstream ideas seem to hold at least a modicum of promise.
Getting 8.5 million copies of Harry Potter and the Order of the Phoenix into stores for sale at but not a minute before the witching hour on June 21 was only part of Andy Yablin's challenge. The other part was keeping every single copy under wraps so nobody could ruin the magic.