The question will be, what is the best metric to measure? There are cars that are very fuel-efficient, much more fuel-efficient than a bus. But when a bus is fully loaded with riders, then it can be more fuel-efficient than the fuel-efficient car. So do we measure performance, wattage, or bandwidth? That will take time to work out.

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The dialogue must be started somewhere. The first step is to get people to talk about this. People know there is a problem. They just don't know what to do.

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