Energy bill mandating 36 billion
MTBE's use as an oxygenate additive was widespread due to mandates in the Clean Air Act amendments of 1992 to reduce carbon monoxide emissions.MTBE in gasoline had been banned in almost 20 states by 2006.
The target for ethanol production from cellulosic feedstocks was 16 billion US gallons a year.
According with the Association, BMW, Chrysler, Nissan, Toyota, and Volkswagen warned that their warranties will not cover E15-related damage.
Despite the controversy, in order to adjust to EPA regulations, 20 model year vehicles manufactured by General Motors can use fuel containing up to 15 percent ethanol, as indicated in the vehicle owners' manuals.
Gasoline containing up to 10% ethanol began a decades-long growth in the United States in the late 1970s.
The demand for ethanol produced from field corn was spurred by the discovery that methyl tertiary butyl ether (MTBE) was contaminating groundwater.