The US-based pellet producer Enviva Partners LP marketed 843,000 t of pellets in the first quarter. Compared to the same quarter of the previous year, this represents an increase of 30%.   The proceeds from the pellet sales increased by US $ 156.6 million, according to the quarterly report released by the Group. Including other revenues of $ 1.8 million, total revenue was $ 158.4 million, up 26.4%.  Adjusted EBITDA of $ 21.6 million exceeded the prior-year figure by 22.7%. Gross profit has doubled to $ 9.9 million. After deducting ...