London [UK], May 22 (ANI): The US embassy in London is refusing to pay more than USD 18.6 million in charges from unpaid congestion fees, CNN reported citing Transport for London (TfL), which oversees the city’s vast transport network. The congestion charge was introduced in 2003 to stem traffic and pollution in central London. Drivers within the congestion charge zone are required to pay a USD 19 daily charge between 7 am and 6 pm on weekdays and 12 pm and 6 pm on weekends. TfL said it will pursue all unpaid fees, adding in a statement ot was even “pushing for the matter to be taken up at the…