Toyota Motor Corp said Saturday it is conducting trials of a vehicle powered by a hydrogen engine in Australia, making it the Japanese automaker's first such test of the environmentally friendly car on public roads toward its commercial use. In the trial from late October through January, a specially modified…
A fuel that is notoriously hard to contain and usually produced using fossil fuels, using inefficient production methods that waste electricity.
Anyway, the commenter you’re replying to is more referring to the pollution from tires and the noise.
And the death. Don’t forget the animal and human cost of everyone having a car.