Initially, it seemed a natural fit; from the savings on grease alone to the biofuel futures potential, to duh-simple police vehicle repair contracts— kind of a “garage and gorge” package deal, like if Jiffy Lube and Pancake House merged, only bigger and bolder. But the Lehman IPO went belly up right along with them, back in ’08. A bug on Wall Street’s windshield and a darn shame for auto enthusiasts and avid eaters alike.