Perry RichardsonJul 31 min readHJS retrofit system for London TX4 black taxis approved — but TfL age limit decision still pending
Perry RichardsonJun 182 min readAWAITING APPROVAL: HJS edging closer to Euro 6 retrofits for London’s TX4 taxis
Perry RichardsonDec 13, 20242 min readLAST STAGES OF TESTING: London steps ever closer to TX4 taxi Euro 6 retrofit milestone
Perry RichardsonSep 18, 20241 min readTFL INSPECTION: Retrofitting of London TX4 taxis moves closer to final testing stage
Perry RichardsonApr 11, 20241 min readTX4 London black taxis edging closer to green light for retrofit upgrades
Perry RichardsonOct 19, 20231 min readMercedes-Benz black cab retrofit solution passes latest TfL inspection says HJS Emissions
Perry RichardsonSep 7, 20232 min readMercedes-Benz Vito taxi returns for Euro 6 retrofitting testing at Millbrook
Perry RichardsonJul 12, 20231 min readTesting continues for London taxi retrofit option despite green light given in other UK cities
