Ratan Tata invests in a car of the future: car run on water editor’s note: generally when we hear of cars run on water, air, or of perpetual machines, we react either with disgust or amused laughter. But this one is serious stuff, indeed! Bangalore:  Prof C N R Rao the Chairman of the Scientific Advisory Council to the Prime Minister said here that Ratan Tata, the Chairman of the Tata Group has invested USD 15 million in a start up venture which is conducting research in developing a car run on water. According to him Tata has given $15 million for research being conducted by MIT...