[vkou]

I think most people can understand what a meter is, or what a kilometer is, but would have no idea of what a kilojoule is, or what the energy inside a barrel of oil is.

[buu709]

I'm Canadian, and have never traveled to Europe but, every imported piece of food I've ever seen has the energy measured in kilojoules.

[ReptileMan]

Actually it is both in kj and ccal