The largest source of 'total petroleum' imports to the US is Canada: "Petroleum imports from Canada increased significantly since the 1990s, and Canada is now t

The largest source of 'total petroleum' imports to the US is Canada: "Petroleum imports from Canada increased significantly since the 1990s, and Canada is now the largest single source of U.S. total petroleum and crude oil imports. In 2019, Canada was the source of 49% of U.S. total gross petroleum imports and 56% of gross crude oil imports." By comparison, Mexico was 7% in 2019, which made it the second large source. https://www.eia.gov/energyexplained/oil-and-petroleum-products/imports-and-exports.php https://www.eia.gov/energyexplained/oil-and-petroleum-produc...