Esso officially launched its new mobile payment app at MRH’s Robin Hood North Service Station on the A3 in south London. The new app has been live since April and is already available on 75 sites. But it will now be rolled out at the rate of 25 sites a week with with a target of 300 sites by the end of the year. Installation is under way at Top 50 Indies MRH and Euro Garages.