Quote:
Originally Posted by Clgar1
The main problem is generated by the poor quality fuel we put in our cars, if you look at European diesels which have been running for 200K+ don't have the same deposits as North Americans engines do as European Brent fuels are higher in octanes (European premium 98 octane, NA premium 91 to 93 octane)
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This statement is based upon a false premise. EU gasolines publish RON (Research Octane Number), which is higher than MON (Motor). US publishes AKI, which is the average of MON/RON. EU 98 premium is the same octane that US 93 is, and similarly EU91=US87, EU95=US89. Wikipedia has a nice article.