What energy hurdles come along in powering heavy-duty vehicles as buses and trucks?

Question

What are the challenges that come with utilizing renewable energy sources to power immense vehicles such as ships and aircrafts?

Answer 1

The predominant challenges revolve around locating batteries or other methods of storing energy that are sufficiently high in terms of energy density yet light enough to be economically viable for application in large vehicles.

Comments

Thank you for the realistic look at the challenges of fueling our societies. One major fuel that is almost never talked about is thorium. It is not nearly as dangerous as uranium and there is enough thorium to power a large percentage of the planets fuel needs for a thousand years.

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Long story short, we need a nuclear renaissance and we need to use its energy for hydrogen fuel cell production. Renewables and lithium batteries simply won't be enough (without magic technology that we may never obtain).

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Tidal power would be a nice boon, I think.  Seeing as most people live near the ocean already it makes it easy to give them power efficiently and it can provide power on a cycle similar to solar (not constantly but daily on and off).  Also I'm in favor of people just using more mass transit instead of continuing to use inefficient private transportation.  Having said all that these are not solutions that work for everyone but they're a nice start right and would extend how much longer we can use fossil fuels as a crutch before more universal solutions present themselves.