efficiency of gasoline?

[Wheatmaster]

is it about 2%? and 98% goes to heat?

 

[Colt45]

it all goes to heat

 

[Beau]

Originally posted by: Wheatmaster
is it about 2%? and 98% goes to heat?

Wouldn't you measure the efficiency of the mechanism harnessing the energy (engine, etc.) and not the fuel?

 

[Rallispec]

efficiency of gasoline, or do you mean of an internal combustion engine?

 

[Toastedlightly]

how effieicnt is the combustion? Since Heat=expansion... how would you measure it?

 

[RaDragon]

Do these things really help with gas efficiency?

 

[Heisenberg]

You can't really talk about the efficiency of gasoline itself. You can specify how much energy there is per mass unit, which I can't remember right now.

 

[NascarFool]

The efficiency doesn't come from the gas, it comes from whatever is using the gas. 😉

 

[Colt45]

Originally posted by: RaDragon
Do these things really help with gas efficiency?

lol

 

[Heisenberg]

Originally posted by: RaDragon
Do these things really help with gas efficiency?

This independently field-tested device fits over your vehicle?s fuel line and has powerful hydrodynamic magnets that break apart clusters of fuel molecules so gas burns more efficiently.

Lol @ "hydrodynamic magnets"

I love it when ads use nonsensical scientific jargon.

 

[J0hnny]

The efficiency of the internal combustion engine has already been theoretically calculated. It's called the Otto Cycle.

If you're discussing how much of the fuel is actually burned and what % of it is wasted / exhausted, then I wouldn't know.

 

[mugs]

I think the efficiency of a gasoline powered internal combustion engine is about 25%, a diesel engine is in the 30s somewhere. That is if what I vaguely recall from 9th grade physics is accurate. As has already been pointed out, you can't measure the efficiency of the fuel itself.

 

[Triumph]

Originally posted by: Heisenberg
You can't really talk about the efficiency of gasoline itself. You can specify how much energy there is per mass unit, which I can't remember right now.

Me neither, but I do know that gasoline and diesel have more latent energy than hydrogen, methane, ethanol, propane, natural gas, and any other popular alternative energy source.