Share 'Double your car's fuel efficiency !'

You don’t need an engineer to double the efficiency of your car! It’s easy. All you have to do is drive together and leave the other car at home. It’s called ridesharing (aka carpooling) and you can pay $2 dollars for a gallon of gas when 2 people share the cost of a ride, and as low as 50 Cents per gallon when 4 people share thetrip. This is a pleasant contrast to the $4 dollar gas that is liter…