text: What's even better than a car you don't have to worry about driving? A car you don't have to worry about driving, while saving gas. According to the text, Mr Sergey Brin forsees cars that would use half the fuel that taxis use in todays world. Even if it wasnt much, if you add up everyone that rides taxis it accumulates and eventually everyones contributing to the problem. So a car that could use only half of the gas we use today, like is there any reason to say no to these cars?