While ICE development has led to higher miles per gallon of gas, stricter corporate average fuel economy (CAFE) standards set by the U.S. Today's most popular ICE is the spark-ignition gasoline engine, which converts combusted gas into energy that pushes pistons and rotates a crankshaft that ultimately powers the vehicle. It won out as the powertrain of choice for car companies, providing more range and easier refueling compared to the first electric vehicles in the early 1900s. ICE was first developed around the turn of the 19th century and continuously refined over the next 150 years. Read more 2022 Tundra Capstone is Toyota's New, High-Powered Hybrid Luxury TruckĪn internal combustion engine ( ICE) is the technical term for the powertrain that's likely in the car you drive today.