Fuel Doctor Holdings, Inc. announced earnings results for the second quarter ended June 30, 2021. For the second quarter, the company announced operating loss was USD 3,023 compared to USD 677 a year ago. Net loss was USD 3,023 compared to net income of USD 10,176 a year ago. For the half year, operating loss was USD 6,371 compared to USD 916 a year ago. Net loss was USD 6,371 compared to net income of USD 9,937 a year ago.