UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules,...
https://daltonsnewdigests.talesignal.com/posts/does-the-statutory-defence-stop-the-police-arresting-me
UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules, which mean you can be tested for THC even when parked and charging. The legal limit is 2 micrograms per litre of blood