Is it legal to have Nitrous oxide in your cars?

The legality of possessing nitrous oxide (N2O), commonly known as laughing gas, in your car can vary depending on jurisdiction. N2O is generally unregulated under the Controlled Substances Act, but individual states or localities may have laws or regulations specifically targeting its possession or use. While it can be legally sold and purchased, restrictions might apply to its intended use and handling. For the most accurate and up-to-date legal information regarding N2O, it's best to consult local laws or legal professionals in your specific region.