India, Feb. 19 -- Contemplating the future of automobiles involves a lot of factors - from market trends to the body style that will dominate sales charts. However, the most crucial factor - in my opinion, at least - is the fuel that will power our cars of the future. This is what made the recently concluded 31st Convergence India and 9th Smart Cities India Expo not only interesting but also of crucial importance, for the show provided a unique opportunity to witness the myriad possibilities that are likely to shape the future of the automotive landscape.

While there was a lot to explore, I naturally gravitated towards the stalls of automakers. It was interesting to witness the top manufacturers in India vying for attention. However, as ...