In this articleTSLAHYU-FFTMBMWB-FFFollow your favorite stocksCREATE FREE ACCOUNT This image, from September 2021, shows a BMW iX5 Hydrogen in Munich, Germany.Krisztian Bocsi | Bloomberg | Getty Images The BMW Group on Monday launched a pilot fleet of hydrogen vehicles, with the German automotive giant's CEO referring to hydrogen as "the missing piece in the jigsaw