The Toyota Prius expects to receive a new generation, and according to Autocar, the model will retain its characteristic shape for aerodynamics reasons, while the interior will receive a significant upgrade with many components from Lexus CT200h. The British announce this information based on the spy photos taken in California. In addition, the new Prius batteries will be more performant and that will increase the available space for luggage, explain the British from Autocar. The fourth Prius generation will also retain the 1.8-liter Atkinson engine, say those from Autocar, but according to the current trends, it will receive a number of improvements to increase both the performance and the efficiency. The development of the new engine capable of delivering a similar performance and a comparable level of fuel economy, it is too expensive for the current needs and situation.