This is a good article on zero carbon farming utilizing hydrogen and ammonia powered tractors, using solar to produce the hydrogen. https://spectrum.ieee.org/e

This is a good article on zero carbon farming utilizing hydrogen and ammonia powered tractors, using solar to produce the hydrogen. https://spectrum.ieee.org/energy/environment/a-retired-jpl-engineers-journey-from-space-probes-to-carbonneutral-farming https://spectrum.ieee.org/energy/environment/a-retired-jpl-e...