Even Silicon Valley investors have put well over a $1 billion in new energy technologies.

In the mid-1980s, operating problems took [nuclear] plants off-line so often that, on an annual basis, they operated at only about 55 percent of their rated total generating capacity. Today, as a result of several decades of experience and an intense focus on performance ... nuclear plants in the United States operate at over 90 percent of capacity. That improvement in operating efficiently is so significant in its impact that it can almost be seen as a new source in electric power itself.

Clearly, the Chinese need the resources, but I don't think they want to clash with the industrial world which happens to be the market for their goods.

So the major obstacle to the development of new supplies is not geology but what happens above ground: international affairs, politics, investment and technology.

This has a lot to do with the unrest in Nigeria, but also with the production loss after the hurricanes in the Gulf of Mexico, the decline in Iraq since the 2003 war, and the decline in Venezuelan output since 2002.

People always underestimate the impact of technology. To give you an example: In the 1970s the frontier for offshore development was 200 meters, today it is 4,000 meters.

The world has produced about 1 trillion barrels of oil since the start of the industry in the nineteenth century. Currently, it is thought that there are at least 5 trillion barrels of petroleum resources, of which 1.4 trillion is sufficiently developed and technically and economically accessible.