3 ms·Wasn't there a Mythbusters episode about this?by _underfl0w_ 8y agoWasn't there a Mythbusters episode about this?protomyth 8y agoYes, two and a revisit: episodes 22, 43, and 64.justinph 8y agoThey address how a tailgate affects efficiency, not how the overall efficiency of a pickup is abysmal.