In current years, there has been an expanding conflict over the accepted quantity of ethanol in fuel; attempting to balance costs, environmental concerns, as well as performance has actually made this a rather difficult job. The legal restriction for gasoline-powered engines is 10 percent; some manufacturers of this product are in the process of getting a waiver to raise the allowable amount to 15 percent. This is where the problem between makers of engines and producers of this renewable energy resource is the sharpest.
The disagreements of opponents are likewise engaging. Suppliers mention that the lesser power content of these fuel blends ultimately equates into even more gas use and also higher rates for the customer. The newer flex-fuel cars, which use a mix of 85 percent ethanol as well as 15 percent fuel, actually have a lower gas mileage compared to their traditional equivalents. A second argument is that older engines (those made before 2001) are not approved for the newer blends and also can experience damages. Last but not least, there is a continuous conversation as to whether land that can be made use of for increasing food plants should, rather, be made use of to create crops for energy.