Development of New-Generation Hybrid System THS II - Drastic Improvement of Power Performance and Fuel Economy
Date Published: 2004-03-08
Paper Number:2004-01-0064
DOI: 10.4271/2004-01-0064
Citation:
Muta, K., Yamazaki, M., and Tokieda, J., "Development of New-Generation Hybrid System THS II - Drastic Improvement of Power Performance and Fuel Economy," SAE Technical Paper 2004-01-0064, 2004, doi:10.4271/2004-01-0064.
Author(s):
Koichiro Muta - Toyota Motor Corp.
Makoto Yamazaki - Toyota Motor Corp.
Junji Tokieda - Toyota Motor Corp.
Toyota Hybrid System (THS), the powertrain that combines a gasoline engine and an electric motor was first introduced in December 1997. It became the first mass-produced hybrid passenger vehicle in the world, gaining a reputation as a highly innovative vehicle, and its cumulative worldwide sales have exceeded 120,000 units.
In 2003, THS had a further evolution. The “new-generation Toyota Hybrid System (THS II)” would be introduced on the new Prius. This report shall explain “THS II”, which achieved drastic improvements in power performance and fuel economy, while securing the most stringent emission standard Advanced Technology Partial Zero Emission Vehicle (ATPZEV).
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