Yes, but not at a level that effects this discussion. This is all about the current wave of 'flim-flam' that has arisen due to the high price of fuels.
Mass is lost at the level needed to produce the energy released when hydrogen is burned. You can back into the mass lost by plugging in the energy released into the formula E=MC2
This is all about the current wave of 'flim-flam' that has arisen due to the high price of fuels.
I agree these units are a scam. If you buy one, buy it here.