patent applicable idea
battery packs mounted in the undercarriage of semi truck trailers
so that electric semi trucks could drive longer
could be relevant when electric semi trucks drive with heavy cargo
in the semi truck trailers
next step could be to have electric engines
between the wheels of semi truck trailers
I got the ideas when I walked past a semi truck trailer
and noticed that there were no gas tanks
in the undercarriage of the semi truck trailer
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