Forty years after participating in the very first Tour de Sol, which started in 1985, I have come full circle (circular economy, anyone?): by converting a Kyburz DXP and integrating a solar panel, I can now finally bring solar mobility to Swiss roads officially.

In the programme for the 1985 Tour de Sol, I was listed as the driver of the so-called SOFAs (solar bikes). Today, four decades later, I am equipping my DXP conversion – the menzi-el eRikscha 2.0 – from my CE Challenge participation in 2022 with a solar panel.

The delivery of the panel is still delayed, but its planned length of 1.60 m is already marked on the existing roof with a double metre.