UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules...
https://bizzmarkblog.com/what-if-i-am-charging-at-home-on-my-driveway-does-in-charge-apply/
UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules that apply while parked and charging. Even with a prescription, the 2 micrograms per litre THC limit means a roadside swab could prompt a mandatory blood test