| 1 | It produces 5m tonnes of coking coal a year. | |
| 2 | Each tonne of fuel burned also produces 3.2 tonnes of carbon dioxide. | |
| 3 | He found that about 563 metric tons of nitrogen trifluoride was emitted in 2006. | |
| 4 | As we do business on the basis of mutual benefit, I suggest somewhere around 270 Francs per metric ton F. O. B. , Marseilles. | |
| 5 | But Shell has estimated there could be up to 660 tonnes still in the affected pipeline. |