Below is a link to a very interesting brochure from Toyota,
describing in some detail (but with excellent graphics and
explanations for the public) how their hybrid cars work, as well as
where they are heading with them.
http://www.toyota.co.jp/en/tech/environment/ths2/SpecialReports_12.pdf
Everything is in metric, including torque (Nm), speeds (km/h), engine
outputs (kW). The brochure is written in (American) English.
Jim
Jim Elwell, CAMS
Electrical Engineer
Industrial manufacturing manager
Salt Lake City, Utah, USA
www.qsicorp.com