During the citric acid cycle, acetate derived from carbohydrates, proteins and fats is oxidized in a step-by-step process that yields ATP, or adenosine triphosphate, the molecule that transports the chemical energy that cells need for metabolism.
By Lydia DePillis By Lydia DePillis November 6, 2013. Earlier in the summer, the Federal Trade Commission sanctioned car rental giant Hertz's $2.3 billion acquisition of Dollar Thrifty, under one main condition: It had to sell Advantage, one of its brands, on the theory that a new private equity owner could create a viable competitor.
Dollar Thrifty Automotive Group is a holding company that owns Dollar Rent A Car and Thrifty Car Rental; it does not own Hertz and Advantage. A version of this article appears in print on May 20, 2012, on Page TR3 of the New York edition with the headline: Paying Less for That Rental Car.