Talk:Cetane number

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Anybody know what the story is on finding out the cetane number of fuel at the pump? I see octane rating at every gasoline pump these days, but I've never seen a cetane rating. Are they required to display octane, but not cetane? Or is there just no demand for it?

I'm not sure, but maybe they believe owners of diesel-fueled cars don't consider the cetane number (or don't care/know about) while purchasing their fuel. Most people consider diesel just for its fuel economy.

It may also change with seasonal changes to composition. Rmhermen 00:50, 4 March 2006 (UTC)

The CFR engine is slowly being replaced by newer test instruments such as the Ignition Quality Tester. (www.aet.ca)

The Cetane number here in the lower 48 is on the diesel pump. There's a yellow sticker about 3"x3" with either a 40 or 45 in it. If its regular diesel its 40 and 45 being premium diesel.  —Preceding unsigned comment added by 72.82.122.25 (talk) 13:49, 14 April 2008 (UTC)