UK EV drivers using medical cannabis need to be aware of the ‘in charge’ rules...

https://quebeck-wiki.win/index.php/Is_Exceeding_the_THC_Limit_an_Offence_Even_If_I_Drive_Perfectly%3F

UK EV drivers using medical cannabis need to be aware of the ‘in charge’ rules that apply while parked and charging. Even with a valid prescription, the legal THC limit on breath is just 2 micrograms per litre