Barrel (unit) continued to use the same size barrels. In the worldwide oil industry, an oil barrel is defined as 42 US gallons, which is about litres or 35 imperial gallons. Oil companies that are listed on American stock exchanges typically report their production in terms of volume and use the units of bbl, Mbbl (one thousand barrels), or MMbbl (one million barrels) and occasionally for widest comprehensive statistics the Gbbl (or sometimes Gbl) denoting a billion. There is a conflict concerning the units for oil barrels (see ). For all other physical quantities, according to the International System of Units, the
Imperial Oil Oil. His predecessor, Bruce March, left to become senior vice president of global operations for ExxonMobil Chemical Co. Besides Richard Kruger, other members of the board of directors of Imperial Oil are Krystyna Hoeg, Jack Mintz, David Sutherland, Darren Woods, Sheelagh Whittaker and Victor Young. Imperial Oil has 1700 service stations with majority owned third parties and sold 497 stations in 2016. In the late early 1990s Imperial Oil acquired retail operations from Texaco's Canadian unit Texaco Canada Incorporated. With ExxonMobil having majority ownership, Imperial Oil uses its parent company's brands, including the Esso and Mobil names for service stations,