 SAN ANTONIO--BUSINESS WIRE--NuStar Energy L.P. NYSE: NS today reported net income of 63 million for the second quarter of 2021, or 0.25 per unit, compared to net income of 30 million, or a 0.06 net loss per unit for the second quarter of 2020. Earnings before interest, taxes, depreciation and amortization EBITDA were 189 million for the second quarter of 2021, up 27 million or 17 percent from 162 million for the second quarter of 2020. Distributable cash flow DCF available to com 