pretty incredible-looking video. wonder how they make them?
i only watched the first 30 seconds but was interested in the efficiency number i heard - the train was 3 or 4 times more efficient than a truck semi.
i would have guessed it was 30 or 40 or 300 or 400 times more efficient.
pretty incredible-looking video. wonder how they make them?
i only watched the first 30 seconds but was interested in the efficiency number i heard - the train was 3 or 4 times more efficient than a truck semi.
i would have guessed it was 30 or 40 or 300 or 400 times more efficient.