Yep, so let us assume $15,000 more. What else shall we assume? 10,000 miles per year? 20 mpg equivalent? That would be 500 gallons per year. Assume current difference ($3.60 per gallon – $2.20 per gallon equivalent = $1.40 per gallon saved or $700 savings per year.)

At that rate, it would take more than 21 years to break even. (not counting interest) Lower end would be a third of that and even then still take more than 7 years to break even.

This could be offset by greater vehicle longevity, not having to replace a car as often but with vehicles lasting more than 200,000 miles already, it might not be much of a factor.

Gasoline prices could drop or go up.
Natural gas prices could rise or drop.
You might drive more or less than 10,000 miles per year.

Bigger vehicles which get poor fuel economy and cover many miles would pay off most quickly.

We shall see.

David for Mr. Fusion powered cars

The system does work well, about equal mileage. But at todays costs it could take 10 yrs for you to make up the difference on your vehicle.

I know it has to start somewhere to slowly bring these costs down and quickly make cng costs go up.

Consumer reports at

http://www.consumerreports.org/cro/2012/03/the-natural-gas-alternative/index.htm

says Honda sells CNG Civics new, claims a maximum range of 250 miles but the low fuel indicator kicks in around 130 miles. (They have a lot of information including possible home refueling systems.)

“Local” fuel cost is currently around $2.20/per gasoline gallon equivalent. They say fueling from home takes all night and currently has some moisture problems but is even cheaper than station prices. They don’t say how much cheaper.

“I’m also wondering how easy it is to find filling stations. I can’t see it being very easy making a cross country run without knowing where you can fill up.”

It’s hard; they are few and far between.
According to

http://www.cngprices.com/station_map.php

after Pensacola, your nearest sources would be
Valdosta, Georgia,
Tuscalosa, Alabama,
Jackson Mississippi,
Kenner, Louisiana.
Right now, your best hope would be if you intended it for local driving and then only if you normally drive near Pine Forest Road in Pensacola or they open one in Century.

David for improvements

I’m also wondering how easy it is to find filling stations. I can’t see it being very easy making a cross country run without knowing where you can fill up.

Once again Century is on the forefront of the future.