Oil is fungible, but maybe that's missing the point. It's semantic nit-picking that misses the spirit of what the author is trying to convey (perhaps with some

Oil is fungible, but maybe that's missing the point. It's semantic nit-picking that misses the spirit of what the author is trying to convey (perhaps with some exaggeration). I buy "green" electricity. That is, all the electricity I pay for is sustainably generated and carbon neutral, from wind, solar, tide or hydro. However, the actually electricity that powers my lights is probably from a coal or nuclear power station. The point is that I pay to put electricity from "green" sources into the grid. The fact that the actual electricity that arrives at my house is not the same I paid to generate doesn't matter. If Denmark puts more energy/coal/oil into the market than it uses then it is energy neutral or positive even if people are actually using oil from Saudi or wherever.