Re:They're artificial limitations. That's the prob (Score 1)

And at least with Apple, you don't actually have to buy any applications for the device to be useful.

If you could invent a system where you could refrain from purchasing any gas, but still have a useful car - I suspect Ford would pay you a fortune :)

(Also, in most countries the quality of fuel is regulated by government - which could be in some ways compared to the App store review process. Perhaps we just prefer governmental big brother to a corporate one?)