As the other guy said: we can’t. We still need oil to set up the infrastructure needed for a net-zero future, which means we’re still forced to use oil for a while longer.
How do you make steel for wind turbines without fossil fuels?
How do you build a nuclear power station without fossil fuels?
How do you replace all the petrol and diesel cars in the country with electric ones, without using fossil fuels?
Where is all the electricity going to come from?
It's complicated.
I'm ok with this with the provision that these licences are ONLY issued to a UK nationalised energy company specifically set up to fund the green transition.
Since this is the conservative party, the chance of that is nill.