#2 is "regular" diesel and is ULSD (Ultra Low Sulfur Diesel)
#1 is lighter viscosity and is used in winter in cold areas. In southern CA, you are unlikely to either need or find it.
Red is for OFF road use only and if found in a diesel tank on a OTR vehicle, the fine is astronomical, normally start in the $1000 range.
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Sean
If Ain't a Newell, It Ain't Wurt Oonin!
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