High quality: WTI is taken into account a "gentle sweet" crude oil, and that is much easier to refine, though Brent can be a combination of crude oils, like equally "mild sweet" and "hefty sour" grades. You questioned and we delivered! AMPReviews now supplies the choice to improve to VIP https://maps.app.goo.gl/VhAGTRCDGTuVhHJa8