Off topic but interesting:

“Shell dumps wind, solar and hydro power in favour of biofuels” refer to:

http://www.guardian.co.uk/business/2009/mar/17/royaldutchshell-energy

Key quote:

The company [Shell Oil] said that many alternative technologies did not offer attractive investment opportunities. Linda Cook, Shell’s executive director of gas and power, said: “If there aren’t investment opportunities which compete with other projects we won’t put money into it. We are businessmen and women. If there were renewables [which made money] we would put money into it.”