If wedo the testingon the vehicle, the resultsare relativelywell, but the cost is highandthere is a problem on security, so people designprofessionaltestingequipmentstotestitsperformance.
While GM gave up on the car, AeroVironment kept up its electric vehicle research and development and has been offering EV charging and testing equipment and services to automakers as well as selling a line of chargers for heavy-duty electric forklifts.