Transocean has been accused of dodging tax on NKr10 billion ($1.8 billion) of revenue in Norway

Chavez boosts state's take from the oil patch

US oil executives are preparing for a face-off with the Senate finance committee on Thursday as lawmakers called on the industry to defend tax breaks worth an estimated $4 billion a year, even as consumers face rising gasoline prices

Opposition to the UK’s controversial decision to increase taxes on the country’s energy industry has gained pace