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.
Can New Volkswagen Cars run on Biodiesel fuel? Volkswagen Group does approve the use of diesel fuel containing up to 5% Biodiesel in all of their diesel vehicles. Filling station forecourts supply diesel (to the standard EN590), which can contain up to 5% Biodiesel with 95% Fossil fuel. The use of this fuel requires no modifications to the vehicle or changes to the vehicles' maintenance schedule.