> The executive, Chris Reynolds, has argued that hybrids, like the Toyota Prius, as well as hydrogen-powered fuel cell vehicles should also be in the mix. Why

> The executive, Chris Reynolds, has argued that hybrids, like the Toyota Prius, as well as hydrogen-powered fuel cell vehicles should also be in the mix. Why aren't fuel cell vehicles already in the mix? Are EVs only classed as such if they use a lithium battery?