CNN traveled to Norway to report on the oil industry . Visited oil rigs and refineries to find out how `` green '' each barrel of oil could be . If you 've never been in a helicopter before , it 's quite a peculiar feeling when you lift off the helipad vertically . The answer is that it can only be as good as its source, so if you are going to use a barrel from an offshore well in Norway, then you have to buy your own fuel ( or pay
CNN traveled to Norway to report on the oil industry . Visited oil rigs and refineries to find out how `` green '' each barrel of oil could be . The answer is that it can only be as good as its source, so if you are going to use a barrel from an offshore well in Norway, then you have to buy your own fuel ( or pay