I”f we want the world economy to grow by 4% per year, world oil supply will need to grow by close to 3% per year. This is more than world oil supply has grown per year since the 1970s–giving a clue as to why the world is having so much problem with economic growth now.” (Source: ourfiniteworld.com)

Another must-read article by Gail Tverberg explaining the energy limits to economic growth, a factor not taken into consideration by any of the "expert" economists trying to work out solutions for the global economic and debt crisis.