ST. LOUIS, MO --- Enterprise Rent-A-Car is adding approximately 5,000 additional gas/electric hybrids to its nationwide fleet and designating nearly 80 rental locations across the country as "hybrid branches."

The designated hybrid branches have a high concentration of the new hybrids available and, for the first time, customers can reserve these hybrids online or by phone, Enterprise said.

The addition of nearly 5,000 hybrid vehicles more than doubles the amount of hybrids the company owns. The new hybrids will be available at nearly 80 locations in 24 major markets across the country, including the 10 busiest airports for business travelers in the United States. Markets include California (Los Angeles, San Francisco, Sacramento and Fresno); Colorado (Denver); Florida (Orlando, Tampa); New York (Albany, Ithaca, New York City, Rochester); Oregon (Eugene, Portland); Texas (Austin, Dallas, Houston); Atlanta; Boston; Detroit; Minneapolis; Philadelphia; St. Louis; Seattle; and Washington, D.C.

Customers in these markets will be able to choose from several makes and models of hybrid vehicles including the Toyota Prius, Nissan Altima, Ford Escape and Toyota Camry.

Rental costs will vary according to market conditions; rates also will vary at locations throughout the country.