Question

which of the following is not one of the recognized alternative fuel vehicles currently produced?

flexible - fuel vehicles (ffvs)

dedicated and bi - fuel compressed natural gas vehicles (cngvs)

liquid petroleum gas (lpg, also called propane) vehicles

liquid carbon petroleum (lcp)

Explanation:

Flexible - fuel vehicles (FFVs) can run on gasoline and ethanol blends. Compressed natural gas vehicles (CNGVs) (both dedicated and bi - fuel) use compressed natural gas. Liquid petroleum gas (LPG) vehicles use propane. However, liquid carbon petroleum (LCP) is not a recognized alternative fuel vehicle type.

Answer:

d. Liquid carbon petroleum (LCP)