IRVW II

Since gliding was not taken up into legislation of consumption and taxation, automatic engine shutdown made not its way into production.

The additional costs for the new car would have been amortized by saving gasoline in two years average use.

A green indicator light with an upward pointing arrow in the cockpit recommended the driver to shift up the manual gear box.

[4] It was required at this time in 1980, but not on the European market, where leaded fuel which is not compatible with the catalytic converter, disappeared in 1987 from the filling stations in West Germany.

In 1995 Toyota filed the patent on a concept that includes gliding without drivers attention, but also a planetary gearset and electric drive,[5][6] the predecessor of the Hybrid Synergy Drive, known as a major concept of hybrid vehicles which also keep the internal combustion engine operating inside the economic area of the consumption map.