Dumb and Dumber and DumbestDumb - synonyms: uninformed, ignorant
Dumber - opinion: rejecting unpleasant information, cognative dissonance, wilfully ignorant
Dumbest - opinion: to be determined
On page 21 of the Environment Canada report you will read (or not) these words:
" ... the combustion efficiency of the engine only varied between 99.59% and 99.71% ..."
The name of any electrolyser in a closed system doesn't change those facts about a diesel engine.
You are dealing with less than 0.5%. This is easily understood arithmatic.
Paul Bearance
https://www.youtube.com/watch?v=bbL4WNj2SKI