TWICE as far on a single tank of fuel? That’s the implication of a breakthrough in fuel-cell technology announced last week that promises to deliver almost twice the efficiency of today’s most efficient cars. But while its makers hope the cell will help the world to use its oil more efficiently, others say it is a distraction from the real goal of weaning us off the black stuff entirely.
Fuel cells combine hydrogen and oxygen to make water and electricity, and are seen by many as the only long-term alternative to the internal combustion engine. But while the oxygen is…
