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#1
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I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has
better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. -- Best Regards, Mike http://photoshow.comcast.net/mikenoel "Eeyore" wrote in message ... Mike Noel wrote: The synthetic fuel is 15 to 20 percent more fuel-efficient Pardon ? How exactly is one hydrocarbon fuel "more efficient" than another ? Engines that are optimised to run on 100LL are AFAIK unlikely to run any 'better' on anything else unless 're-tuned' and I'd imagine that has associated certification issues. Sounds like marketing twaddle to me ! Do you have a link to this article ? Graham |
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#2
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"Mike Noel" wrote in
: I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. Well, they do mention volume.. Bertie |
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#3
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Mike Noel wrote: I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. I can see that might be their idea but the possible practical fuels for ICEs are fairly limited in scope, at least excluding those that don't give poorer performance (bhp) like ethanol for example. Butanol which can indeed be made from bio-sources is closest to gasoline in overall performance but I'm not aware of any supposed 'efficiency' advantage. Would be interested in hearing more of substance rather than marketing copy. Graham |
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#4
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Eeyore wrote in
: Mike Noel wrote: I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. I can see that might be their idea but the possible practical fuels for ICEs are fairly limited in scope, at least excluding those that don't give poorer performance (bhp) like ethanol for example. Butanol which can indeed be made from bio-sources is closest to gasoline in overall performance but I'm not aware of any supposed 'efficiency' advantage. Would be interested in hearing more of substance rather than marketing copy. Why you running Avgas in your Austin Alegro now? Bertie |
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#5
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Bertie the Bunyip wrote: Eeyore wrote Mike Noel wrote: I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. I can see that might be their idea but the possible practical fuels for ICEs are fairly limited in scope, at least excluding those that don't give poorer performance (bhp) like ethanol for example. Butanol which can indeed be made from bio-sources is closest to gasoline in overall performance but I'm not aware of any supposed 'efficiency' advantage. Would be interested in hearing more of substance rather than marketing copy. Why you running Avgas in your Austin Alegro now? Jealous, Bertie ? http://www.austin-rover.co.uk/index.htm?ado67storyf.htm It's the Quartic steering wheel that really kills me. Graham |
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#6
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Eeyore wrote in
: Bertie the Bunyip wrote: Eeyore wrote Mike Noel wrote: I'm guessing they are measuring fuel efficiency as MPG, so a denser fuel has better numbers just like the denser diesel fuel has a built in MPG gallon advantage because it is heavier than relatively light gasoline. I can see that might be their idea but the possible practical fuels for ICEs are fairly limited in scope, at least excluding those that don't give poorer performance (bhp) like ethanol for example. Butanol which can indeed be made from bio-sources is closest to gasoline in overall performance but I'm not aware of any supposed 'efficiency' advantage. Would be interested in hearing more of substance rather than marketing copy. Why you running Avgas in your Austin Alegro now? Jealous, Bertie ? http://www.austin-rover.co.uk/index.htm?ado67storyf.htm It's the Quartic steering wheel that really kills me. Graham Oh yeah, I really really want to live my life in the open sewer that is Britain. color me jealous. Bertie |
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