Browse Publications Technical Papers 2020-01-0842
2020-04-14

Development of New Hybrid System for Mid-Size SUV 2020-01-0842

Fuel economy and emission regulations for Light-duty Trucks (LDT) are becoming increasingly restrictive year by year. At the same time, Mid-size SUV demands are increasing all over the world. The advancement of Toyota Hybrid System (THS) aims to meet increasingly strict fuel economy regulations and rapidly advance vehicle technologies to meet electrification goals by 2050 (Figure 1). Toyota has been committed to the evolution of hybrid technology starting with the first Prius in 1997 and continues to develop industry leading electrification technologies. The updated hybrid system for the brand-new Highlander was developed to meet worldwide regulations and have competitive class leading fuel economy with an affordable price. This technology is necessary not only to anticipate expanding SUV sales around the world, but to also keep environmental impact to a minimum. This paper explains the performance and technology in the updated THS developed for the brand-new Highlander HV 2.5L E-Four and highlights environmental and performance comparisons to the MY2019 RAV4 HV and the previous generation Highlander HV.

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