 As can be seen by the 4,000 D3 RIN credits issued in July 2014, industry had made little progress at developing an economically viable D3 fuel prior to the EPAs ruling that RNG from landfills would qualify as a D3 fuel.D3 RIN generation has continued to increase and 2 years later in August 2016 it was 15.6 million EGE (ethanol equivalent gallons).In 2015, over 98% of D3 RIN credits issued were issued for RNG.