>Lower spark energy. Broader range of combustibility ... But not at the same time. That is important because H2 has such a wide ignition range. At the lower en

>Lower spark energy. Broader range of combustibility ... But not at the same time. That is important because H2 has such a wide ignition range. At the lower end of concentration it isn't much easier to ignite than other things. A readable discussion: * https://h2tools.org/bestpractices/hydrogen-compared-other-fuels https://h2tools.org/bestpractices/hydrogen-compared-other-fu...