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Yeah $7 worth of natural gas, when I figured up those numbers would have been about 2MMBTU (if you could fill at home). Natural gas pumps at gas stations charge some where around $1.50 per gallon of gasoline equivalent. Natural gas sold at $1.50gge makes the price something like $12/MMBTU. Which is a little expensive, but a lot cheaper than getting your car towed home so you can fill it.
To make enough hydrogen to replace 1 gallon of gasoline (lets say 125,000BTU) you start with something like 2 or 3 times that amount of BTUs in natural gas.
So if you powered a car with the natural gas directly, not only would it cost a tiny fraction of the $ to power it, you would be making far less CO2.
Any CO2 anyone thinks they are saving by using a hydrogen car, has already been produce and released, 2 or 3 times over. Ironic, isn't it?
"The most efficient process for making hydrogen from natural gas" isn't really that efficient.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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