What is the next closest alternative resource to fossil fuel?

Question

Is such a resource currently compatible with our cars? Also, will it be available for public consumption in the near future? If so, then when?

Answer 1

Space.

There is boundless energy in space.

-solar energy

-unlimited hydrogen

-some planets have a methane atmosphere.

In space it is raining soup and we don't even have a bowl.

Answer 2

Well it's most likely going towords hydrogen fuel cell's since their  and easy way to get cheap energy for things. Although the draw back is the water vapor since it's a bigger green house gas that CO2. So if it can be captured the reused for more fuel then were good to go.

Currently Hydrogen Fuel Cell's are only of any practical use up around Finland along a special road that has special pumps for the cars. So if we have people to stop freaking out over hydrogen then were in the clear for it to happen with in a decade.

Answer 3

Cars of the future are going to be powered by hydrogen fuel cells, which will release only pure water, so it's earth friendly. (Until the Earth overflows with it.