A OECD countries would have to make only slight reductions in energy use.
B countries like China must reduce their consumption more than OECD nations.
C OECD countries should reduce their energy consumption more than non-OECD countries.
D every nation should equally cut down 42 percent of its annual energy consumption.
E countries that did not sign the OECD convention must save more energy than OECD members.