High Quality: WTI is considered a "mild sweet" crude oil, that is easier to refine, even though Brent is really a mixture of crude oils, which includes the two "gentle sweet" and "hefty bitter" grades. You asked and we delivered! AMPReviews now supplies the choice to up grade to VIP https://maps.app.goo.gl/VhAGTRCDGTuVhHJa8