Power technology provider Cummins released its zero-carbon hydrogen internal combustion engine (H2-ICE) concept truck, powered by the B6.7H hydrogen engine, at this year’s International Automobile Exhibition (IAA) transportation conference, which was held from September 20 to 23 in Hannover, Germany. The engine is expected to be released for mass production in 2027, but is going to be produced on a limited scale from 2023.