Surprisingly enough, this makes acoustic bikes less carbon efficient per unit distance than electric ones, depending on the details of your diet. Of course, once the emissions are that low, this is more a curiosity than actionable insight (beyond the typical "less meat/dairy = lower emissions").

https://www.youtube.com/watch?v=HW5b8_KBtT8

What a coincidence, my cargo bike that regularly takes 50kg of cargo runs on the same stuff !

So you ride around town in a PacMan? Aren't ghosts a problem?

I get 30 miles per sandwich! Beat that EV owners! :P