>Individuals transporting up to 150 kg of gas (about six jerry cans) are exempted from federal regulations governing the movement of dangerous goods. But one expert said he would never transport flammable gas in his car

https://vancouversun.com/news/local-news/b-c-drivers-filling-up-jerry-cans-in-the-u-s-despite-safety-risks

https://tc.canada.ca/en/dangerous-goods/safety-awareness-materials-faq