Strains rich with THC, the chemical that produces marijuana’s “high,” cause driving impairment up to 4 hours after vaping, but strains that contain CBD (cannabidiol) and no THC do not, the study found.
Original source: https://www.webmd.com/mental-health/addiction/news/20201202/study-cbd-from-marjiuana-doesnt-impair-driving?src=RSS_PUBLIC