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.
If you arenât sure, youâre not alone. Though there are millions of flex-fuel vehicles (FFVs) on the road, many owners arenât aware they have one. FFVs look just like regular vehicles, with one major difference: they can run on either gas or E85 (a blend of 85 percent ethanol and 15 percent gasoline).