It is significant, then, that Shell relies on gas for 48% of its fossil fuel production by energy value, while the corresponding ratio at other giant oil companies is between 37% and 41%.

FORBES: Magazine Article

It is significant, then, that Shell relies on gas for 45% of its fossil fuel production by energy value, while the corresponding ratio at other giant oil companies is between 37% and 41%.

FORBES: Shell Shocked

But until recently they have suffered from a low power-to-weight ratio, unlike the other sort of room-temperature fuel cell, the temperamental and costly proton-exchange-membrane device, which several firms hope soon to use in motor cars.

ECONOMIST: Clean living in Iceland