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

https://mag-wiki.win/index.php/Why_Can_I_Feel_Fine_but_Still_Be_Over_the_2_Micrograms_THC_Limit%3F

UK EV drivers using medical cannabis should note the ‘in charge’ rules apply even when parked and charging. The legal THC limit is just 2 micrograms per litre of breath, and a positive roadside swab can lead to a station blood test, prescription or not