THIS HEADLINE WAS PRETTY INEVITABLE, WASN’T IT? Energy Department Lags in Saving Energy. “Its Web site advises that choosing new lighting technologies can slash energy use by 50 to 75 percent. But the department is having trouble taking its own advice, according to an internal audit released on Wednesday; many of its offices are still installing obsolete fluorescent bulbs. And very few have switched to the most promising technology, light-emitting diodes, which the department spent millions of dollars to help commercialize.”