Because hydrogen is a terrible fuel. To understand why hydrogen is thoroughly unappealing as a fuel, you have to think about all of the things that make a decent option for fuel. Hydrogen has exactly one advantage: 1. it burns clean. read more
Once the pure hydrogen is produced, we run into the second reason for its slow adoption – the fact that it is hard to store hydrogen for use in vehicles. The main issue with storage is that at normal temperatures and pressures hydrogen is a gas. read more
The production is more of an issue, as commercially there is no point in making a hydrogen car until there are hydrogen filling stations and there is no point in making filling stations until there are enough cars to make it viable. read more