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M
For those that geek out on high pressure fuel pumps.
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M
Only on their premium gasoline. Shell's attitude is in all grades.
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M
30% reduction of nothing - limited to what raw fuel touches - is hard to measure me thinks
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M
In my area I use top tier gas, specifically Exxon Synergy Supreme+ premium gasoline 93.
Saw this and was curious. Is this possible or...