The British government says it won't be banning cars from cities (probably another cast iron guarantee) but does agree that the EU should be setting punishing and economically devastating targets to reduce carbon emissions. Norman Baker, one of the British government's Transport Ministers, said that they won't be banning cars from cities but didn't rule out the target of a 50% reduction in petrol and diesel cars in cities.
Other EU orders that the British government will be blindly following are a unified air traffic control system, a massive rail building programme to connect airports and various targets to cut the number of petrol and diesel cars on the roads and the number of road journeys for freight. All of which will cost us dearly.
The high speed rail routes that the British government is planning are part of this "Single
Oh and one final point: isn't it a little presumptuous and just a bit improbable that the EU will still be here in 38 years time?