The search feature on the CarMax Web site has been expanded. Customers can now base their searches on price, mileage or features without naming a specific make or model. CarMax has more than 25,000 new and used listings.
No alliance in sight, but people familiar with the situation say Chrysler LLC and Nissan Motor Company have been in talks since last summer on the idea of possible technical cooperation. Nissan likes Chrysler's fullsize truck expertise, and Chrysler would like Nissan's know-how on development of small cars.