There is a new EV base SPAC in town focused on the US bus market, but this time it involves a ten year veteran business, Proterra, which has already sold over 1,000 buses, to 130 customers across 43 US states. It claims that its ZX5 range of buses have travelled over 16 million miles in service and they offer a range of over 300 miles per charge. A number of SPACs (special purpose acquisition companies) have been arranged in the past months, as a quick route to public markets in the US. However a number in the EV and Fuel Cell space such as Nikola and QuantumScape have first seen prices rise dramatically, and then seen the stock crash and…