Pseudoscience describes any belief system or methodology which tries to gain legitimacy by wearing the trappings of science, but fails to abide by the rigorous methodology and standards of evidence that are the marks of true science.
1 Flex-fuel hybrid electric and flex-fuel plug-in hybrid are two types of hybrid vehicles built with a combustion engine capable of running on gasoline, E-85, or E-100 to help drive the wheels in conjunction with the electric engine or to recharge the battery pack that powers the electric engine.
E85 Ethanol Flexible-Fuel Vehicles and B20 Biofuel Vehicles. Every Ford flexible-fuel vehicle (FFV) is engineered to run on E85 (85% ethanol and 15% gasoline), unleaded gasoline or any blend of the two. Several Ford trucks can operate on any blend of up to 20% biodiesel and 80% petroleum diesel (a mix known as B20) Both biodiesel and ethanol are cleaner burning and more renewable than conventional fuels.