#2212: LeanMachine

The future seems to hold both a worsening obesity epidemic and ubiquitous electric cars.

Today’s invention seeks to use an aspect of car design to help solve the problem of flab.


This is in the form of a car which, when parked for a set time (eg 30 min) after having made only a short journey from home (say 1km) refuses to restart for an hour or so.

This would encourage everyone who uses a vehicle for very short journeys to walk there instead (or to walk the short distance home).

It seems that the health benefits of only a very small decrease in car use are significant.

Over time, the 1km might automatically increase in order to reduce car use and improve exercise still further. At some distance, a bike rack might unlock, enabling even longer return journeys.


  1. Comment by Rob Tillaart

    Or the car may hide on another parking spot so the driver has to search for it.

    Or you have a training bike at home that generates electricity for your car – partial – e.g. enough for those small drives. Then people can take the short drive as they did the exercises for it. Mind you when it is raining like last days I want to take my car and do the walking/biking @ home đŸ˜‰

  2. Comment by Patrick

    Have you seen this Rob?
    I’m not sure how well this design would work in Northern Europe.
    Happy 2013!

  3. Comment by Rob Tillaart

    Think they would do well in a city as a sort of cab (mostly in the dry season). The truckit reminds me of a small lorry that is allowed in some cities during daytime. Bigger trucks are only allowed in the night e.g. 21:00-06:00 so delivery with small trucks jump forward.


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