Image: courtesy of motorpress Just seven races remain of the ABB FIA Formula E GEN3 era, with the new and improved GEN4 cars set to be taking center stage later this year. In the build-up to Season 13, Nissan Formula E Team’s Oliver Rowland recently had his first experience of the GEN4 machinery. The new car will feature major jumps in performance compared to the current GEN3. Race power increases from 300kW to 450kW, while drivers will receive a huge 600kW while in Attack Mo