Some ministers also underlined the importance of developing fuels from agricultural waste to reduce demand for low-carbon fuels from crops, which could also be used for food.
Fuels from the Pembroke refinery are distributed in Britain and the United States.
Several other companies have intermittently tried to make liquid fuels from natural gas or coal.
The Church of England is currently debating whether to dump fossil fuels from its £6.1bn fund.
European governments already importing fossil fuels from northern African countries like Algeria.
But we have to divest fossil fuels from our lives and that includes the arts".
Last year, the foundation announced that it was divesting fossil fuels from its endowment.
But the new study is the first to reveal which fuels from which countries would have to be abandoned.
In 2001 she became director of Dakota Gasification Company, which made gas and synthetic fuels from coal.
The process of extracting these fuels from below the North Sea releases some greenhouse gases within Norway itself.
In the three weeks before the strike, Ineos bought 12 tanker-loads of refined fuels from European sources.
