Does anyone know of a site to obtain a list of emissions in car exhast for
a gasoline engine. We make a device to measure methane in low (ppm)
concentrations and need to determine if car exhaust will interfere with the
how precise are you looking for?
If the engine is running properly, I don't think there should be any
methane at all. Of course there is no such thing as an ideal engine, but I
think the biggest problem would be if the engine isn't running correctly,
and then I can't imagine there is any precise documentation of a poorly
Just thinking out loud...