QUOTE (JeffG @ Dec 14 2016, 12:31 PM)
Since when? (And a single atom isn't a molecule.)
I read that Hydrogen gas (H2) is a molecule.
QUOTE (JeffG @ Dec 14 2016, 12:31 PM)
And kill people as well as damaging the environment?
Diesel has a smaller carbon footprint than Hydrogen and petrol cars (but has other hazardous waste of course).