I'm very surprised these are electric. I would have thought they would have to be fuel based. I would have thought electric for information (ie photography) F

I'm very surprised these are electric. I would have thought they would have to be fuel based. I would have thought electric for information (ie photography) Fuel for the meat world. The Chinese are electric as well - https://www.xa.com/en/xp2020 https://www.xa.com/en/xp2020 I don't get it?