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.
There is no universally correct answer here because it depends on the rental company. High end companies like Hertz may keep a car 6 months while low-end car rental companies like Enterprise might keep the cars 12-18 months.