I've no doubt that this guy is being entirely self-serving and disingenuous, but the sad fact is that the UK still does still import half of its oil and gas.
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Plus side of reducing oil production is that prices will go up and will drive the introduction of renewables as they become attractive and help save the world.
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Downside is that we will all feel poorer during this transition
I'm in favour of cutting, but it's important to be clear about the implications.