I see a lot of testimony and nice numbers, "Initial Field Studies validate the computational results with participants realizing fuel savings of between 4% and 19%", but no methodology or control to realize a solid baseline.
I'm thinking wind tunnel data would be reliable, but as seen on the Mitsubishi Evo, improvement is realistically less than 2% after extensive testing on placement.
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I'm not coasting, I'm shifting slowly.
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