Shell's CEO on why it spent $70 billion to buy up BG Group; "This is as much about gas than it is about oil. As a matter of fact, probably even a little bit more about gas" Read more: http://www.benzinga.com/media/cnbc/15/04/5391169/shell-ceo-heres-why-were-acquiring-bg-group#ixzz3WnDS0qv7