Black Horse Finance has renewed its staff cycle fleet after a 150 per cent rise in usage. Staff at its St William House offices in Cardiff pedalled more than 1,500 miles last year instead of driving or using taxis, substantially reducing their carbon footprint. Part of Lloyds Banking Group,  Black Horse Finance introduced bikes in 2013 with the help of Cardiff supplier, The Bike Shed.  It has now renewed its fleet of 10 bikes and donated the old ones to…