There are currently about 1000 congestion charge cameras but there will be 18 times that number for the ULEZ.
Most groups are still insisting that closures are very limited and only a handful of their outlets are being affected.
While only time will tell if the shortages continue, Caroline Lucas, Green Party MP has said that the disruptive protests are the "only way that people can make their voices heard", suggesting that it is not the end of the UK's battle with empty fuel pumps.