Hertz Global Holdings Inc. reported fourth-quarter net income of $80.7 million

, more than double the year-earlier result. Full-year 2007 net income also more than doubled to $264.5 million. For the year, car rental revenue rose 8.5 percent to $6.92 billion, on a 5 percent increase in worldwide rental days. Rental rate revenue declined marginally in the United States to $43.77, and edged upward by one percent in international markets to $46.25.