T.Photo/Shutterstock West Africa oil trade is livening up after a slow start as Unipec nabs spot cargoes.Sellers are hiking offer prices in anticipation of stronger demand from both Asia and Europe.Competition from rival grades in the US and Brazil remain a salient challenge. Save for later Print Download Share LinkedIn Twitter Sellers of March-loading West African crude reported a long-awaited uptick in sales this week at stronger differentials. There has been a pickup in Chinese buying after the Lunar New Year holiday, while Europe is readying for an expected surge in demand for distillate-rich grades ahead of the EU ban on Russian product imports.