When mobile phones became popular in the early 1980s, rental-car firms embraced the new technology as a potential profitmaker. But demand for phone- equipped cars, particularly from executives, has been lower than expected. Says Avis Spokesman John Britton: "We found that if a businessman is on the road, that means he needs to see his clients in person. So what does he need a phone for?" Avis has dropped phone-equipped cars, and Hertz has trimmed its fleet from 250 to 50.
But other companies are rolling along in the opposite direction. Dollar Rent a Car announced last week that it will...