1
The EIA says France has shale gas reserves of 180 tcf.
2
Nearby Tamar is the Leviathan site, with an estimated 19 tcf of reserves.
3
The U.S. consumption rate of about 23 tcf a year.
4
The optimistic observers think Cyprus could be sitting on up to 60 tcf of gas.
5
Its discovery is proven to hold 5 tcf.