1. It won't raise the price.
2. supply/demand. More supply is always good.
3. Domestic production is domestic, i.e. doesn't go to OPEC countries and doesn't need tankers, which has obvious benefits not the least of which is a trend towards the elusive energy independence.
BTW refiners never run above 90% due to rotating maintenance.
Gasoline is adjusted from region to region based on EPA regs issued by regional EPAs. Consolidating the adjustment of boutique gasoline into just two or three blends would improve pricing with no important change in what is acceptable to reasonable EPA standards.
