For 10 points, name this petroleum substitute that is often made of sugarcane or corn.
One compound that is sometimes mistaken for this resource is created by crushing jatropha seeds. Companies such as Lignol and Novozymes have worked to create the "cellulosic" form of this resource from wood chips. Support for American production of this resource has led to decreased use of MTBE, and previously spurred on a controversial 54-cent tariff on (*) imports of this resource from its most extensive user. Concerns about food prices have caused criticisms about the use of land to produce this resource, which powers automobiles in Brazil. For 10 points, name this petroleum substitute that is often made of sugarcane or corn.
One compound that is sometimes mistaken for this resource is created by crushing jatropha seeds.
ethanol