Calabasas-based electric vehicle testing systems manufacturer Gridtest Systems has expanded its equipment to support european electric vehicle (EV) charging systems, the company said this week. The firm said its new European Electric Vehicle test system validates the functionality, safety, and interoperability of EV charging stations in the European market. Gridtest's systems are used to test and validate electric vehicle charging stations and their connections to electric vehicles. Gridtest says its systems have been fully CE certified, one of the requirements for selling products into the European market.