The price of corn oils goes up dramatically, since this is their only source of energy. The suppliers have to make profits of this somehow. When the demand is high, the price will increase because of the demand. Change in consumer tastes, change in the number of buyers, change in consumer incomes change in the prices of complementary and substitute goods, change in consumer expectations. The determinants cause shifts in the entire supply curve: change in input prices, change in technology, change in taxes and subsidies, change in the prices of other goods, change in producer expectations, change in the number of suppliers,
When you have a increase in demand for corn is the result of increase in number of buyers in corn market due to its use as an alternative energy source, since there are more buyers in the market which means more income too, therefore farmers will use more or all their farm land to produce corn. When it comes to the total revenue it is all about who pay what and when. The more the produced