UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules,...
https://astro-wiki.win/index.php/If_I_Vape_My_Prescribed_Flower_the_Wrong_Way,_Do_I_Lose_the_Defence%3F
UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules, which mean you can be tested even while parked and charging. The legal THC limit is 2 micrograms per litre of breath