ISO 1585:1992

Road vehicles — Engine test code — Net power

Applies to rotary piston engines and reciprocating internal combustion engines except of free piston engines for passenger cars and other motor vehicles, excluding motorcycles, mopeds and agricultural tractors, normally travelling on roads. Specifies a method of testing to evaluate their performance with a view, in particular, to presenting curves of power and specific fuel consumption at full load as a function of engine speed.