In the US and Brazil, many car owners upgrade engine control units (ECU), fuel injectors, and fuel systems so gasoline engines can run on E85, which contains up to 85% ethanol.
Vo Thi Thuy Trang, an accountant with the Emulation and Commendation Board, Department of Home Affairs, colluded with a gas station to create fraudulent invoices for nearly 60,000 liters of gasoline.