In the near Future,the Benefits of Biofuel Production May Be

In the near future,the benefits of biofuel production may be enjoyed while reducing the impact on the global production of grain.One such promising approach is to

A) bioengineer cattle and goats to produce ethanol in their milk.
B) produce biofuels from grasses and timber wastes instead of corn.
C) use the large amounts of animal wastes to produce ethanol.
D) find ways to convert oil and natural gas into ethanol.