Canada remained the largest exporter of total petroleum in February, exporting 2.512 million barrels per day to the United States. The second largest exporter of total petroleum was Mexico with 1.364 million barrels per day. <ref>[http://www.eia.doe.gov/pub/oil_gas/petroleum/data_publications/company_level_imports/current/import.html Crude Oil and Total Petroleum Imports Top 15 Countries], Energy Information Administration, April 30, 2009</ref> | Canada remained the largest exporter of total petroleum in February, exporting 2.512 million barrels per day to the United States. The second largest exporter of total petroleum was Mexico with 1.364 million barrels per day. <ref>[http://www.eia.doe.gov/pub/oil_gas/petroleum/data_publications/company_level_imports/current/import.html Crude Oil and Total Petroleum Imports Top 15 Countries], Energy Information Administration, April 30, 2009</ref> |