Will it be more effective to Trade Out Old Diesel Enginesfor new ones than to attempt to attach a component such as Dynacert Hydragen to achieve fuel efficiency and other environmental goals with exisiting diesel trucks etc.?
Guess it'll be a while before that question is answered but it appears Westport Fuel Systems, Ballard etc. are putting new wrinkles into DYA's plans.
https://www.h2-view.com/story/in-focus-westport-fuel-systems-hydrogen-fuelled-internal-combustion-engine/