I post this as it pertains to onboard generation of methane like gas and hydrogen.
ie: Start of with a fuel with unbeatable energy density, then use (normally) waste heat (mostly) to turn it into a 'greener burning' gas mixture, that also improves fuel economy, on demand.
Mixtures of hydrogen and methane in the internal
combustion engine Synergies, potential and regulations
"...electric vehicle concepts with batteries...cannot compete with internal combustion engines...With respect to costs, service life and range...
...Mixtures of hydrogen and methane...or ...natural gas...offer advantages in terms of reduced emissions and improvements to the combustion process.
The wide ignition limits and high flame speed of hydrogen have as positive an impact on the combustion as does the higher energy density of natural gas on driving range...
Quote:
Originally Posted by ademonrower
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I don't believe producing Hydrogen and the infrastructure to use it as a fuel is a good idea.
The same goes for batteries as they take a lot of energy to produce and recycle, leaving toxic waste. (thx for verifying that)
But if it's already there and about as easy to attain as oil is, which is going to be drilled for anyway; it's a cleaner fuel to burn for on site, on demand electrical energy production than the coal, oil, gas currently being drilled for or mined.
Your research shows that using excess solar and wind energy to produce an energy dense liquid E-fuel hydrocarbon is the greenest way of storing energy. right?
Well with underground hydrogen, storage is solved at zero cost.
Varying energy demand is solved by a tap.
That leaves the on site production of an energy dense, liquid form of energy for transportation as the last challenge in this case.
I could go read up on how best to do so by combining H and possibly CO2, but you have already done all that!
Any ideas?