Originally Posted by DnA Diesel
Actually, PetroCanada diesel is supposed to have some of the higher cetane levels, up there with V-power or Sunoco gold. I run a variety of "brands" (many stations being fed by the same supplier, so not convinced they all get different fuel), based primarily on high usage by trucks, etc... so as to have a reasonable expectation of fresh, clean fuel.
It's almost next to impossible to get accurate cetane values from these oil companies. I've seen lists here and there online but never anything concrete.