A GOOD internal combustion engine powered by petrol (gasoline for all you americans) can be as efficient as 7%, and a REALLY GOOD diesel of the stationary or marine variety might approach 12%. These things are quite huge. 10% efficiency from this little turbine would make it quite competitive, particularly if a liquid fuel like ethanol was used- it's a lot easier to store, and can be produced biologically.
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A GOOD internal combustion engine powered by petrol (gasoline for all you americans) can be as efficient as 7%, and a REALLY GOOD diesel of the stationary or marine variety might approach 12%. These things are quite huge. 10% efficiency from this little turbine would make it quite competitive, particularly if a liquid fuel like ethanol was used- it's a lot easier to store, and can be produced biologically.