MONTAUK RENEWABLES INC revenue for the last year amounted to 3.34 B ZAR, the most of which — 3.00 B ZAR — came from its highest performing source at the moment, Renewable Natural Gas, the year earlier bringing 2.87 B ZAR. The greatest contribution to the revenue figure was made by United States — last year it brought MONTAUK RENEWABLES INC 3.34 B ZAR, and the year before that — 3.20 B ZAR.