AAA says that the price per gallon in California is $5.07 A masked gunman murdered 23 people in rural Nova Scotia in 2020.
Prime Minister Justin Trudeau vowed rapid action following Canada's deadliest mass massacre and banned 1,500 military-grade and "assault-style" firearms.
These weapons were meant to kill the most people in the quickest period. He said such weapons have no place in Canada.
Each school massacre raises and lowers calls for US gun regulation.
Experts and gun control supporters warn that Canada's stringent gun regulations don't totally protect it against U.S.-style bloodshed.
Canada has the world's highest per-capita gun ownership rate. 2018 Small Arms Survey: 34.7 guns per 100 persons.