"Why is my Prius losing gas mileage?Your aging hybrid battery could be costing your Prius to have a lower econ. A failing or bad battery does not allow for adequate gasoline engine off time. This action results in more extended periods of engine run time and lowers fuel economy.Feb. 16, 20215 Reasons Your Toyota Prius Is Getting Awful Fuel Mileage | Torque ..."

"Why is my Prius losing gas mileage?Your aging hybrid battery could be costing your Prius to have a lower econ. A failing or bad battery does not allow for adequate gasoline engine off time. This action results in more extended periods of engine run time and lowers fuel economy.Feb. 16, 20215 Reasons Your Toyota Prius Is Getting Awful Fuel Mileage | Torque ..."