Shaq is now one of the newest investors in a San Diego based company that provides car owners with their own portable ethanol filling station at home. The Microfueler from GreenHouse is an in-home organic fuel microrefinery that allows you fill up any car that can take regular gas. The $10,000 contraption takes in a feedstock mixture to produce the ethanol that is pumped into cars.

Today's average price for a regular gallon of gas