There is a thing called steam methane reforming which produces hydrogen:
https://en.wikipedia.org/wiki/Methane_reformer
There are basically 2 ways of doing this:
Steam (Methane) Reforming which uses methane and steam and a lot of heat, and
Autothermal Reforming that adds oxygen, effectively burning part of the methane to produce the required heat.
SMR can be more efficient that ATR, but only in large scale plants.
It is no rosy cheeks tech.
But Toyota just served reheated bull in a new format, see their 2015 release:
Toyota Explains Exactly How Mirai Fuel Cell Car Can Run On BullSh*t!
Which the EV community debunked:
Toyota Mirai fueled by bullsh!t ad total BS
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.