So in that regard, it becomes very simple. The fueling for hydrogen is very quick; you can fuel a truck in 10 minutes or less, get them in and out just like you do with a petroleum experience.” ...

A version of this article appears in print on April 3, 2023, Section D, Page 2 of the New York edition with the headline: In Senga’s Mets Debut, Learning Curve Is Steep, But Forkball Is Steeper.