UK EV drivers using medical cannabis should note that the ‘in charge’ rules...

https://www.bust-bookmark.win/uk-ev-drivers-using-medical-cannabis-should-know-the-in-charge-rules-apply

UK EV drivers using medical cannabis should note that the ‘in charge’ rules mean you can be tested for THC even when parked and charging. The legal limit remains 2 micrograms per litre of blood