Normally, efficiency is crucial because the fuel cost of your engine over its life dwarfs the cost of the engine.

The result is planes are 300 times

So the conclusion is planes and cars are roughly equally fuel efficient.

General Electric natural gas turbine, you'll get about 60 percent efficiency.

Let's see how far we can go by bending rules as we estimate the fuel efficiency, the miles per gallon of a 747.

Or, how much can I expand my balance sheet?

I require fuel.

This is called energy density.

I need fuel.

Primary fuel?

Fuel supply?

Our fuel.

The only way that they're going to let themselves out of energy poverty is by adopting fuels that are more efficient, that are less expensive, that are better for human health, that are better for the environment, and that are more productive.

In the middle eastern states which have access to forests and to agricultural waste, they might say, we're going to lead the nation in biofuels.

Mine fuel

Primary fuel 2893 KRG.

What is he saying about the fuel?

Fuel cells.

But no vehicles will need oil.

All that driving that we've been doing out in the suburbs, we have doubled the amount of miles we drive.

Fuel, Skripach, fuel...

Fuelinjected.

Antimatter, and Dark Matter, and all other factors together.

But I'm not really concerned about the fuel.

We also discovered that efficiency doesn't matter so much if your energy source is free.

In this kind of reactor, you can't do that.

It's like Michigan... hardcore propellant.

The source of fuel crude oil.

Jet fuel.

Anybody who's trying to sell you biofuels, or this kind of thing, what do you do about the thermodynamic inefficiency of combustion engines?

I was, you can see there, pulling two sledges.

I made a promise that the next time I would fly around the world, it would be with no fuel, independent from fossil energies, in order to be safe, not to be threatened by the fuel gauge.

And if you do the energy budget, the data transmission comes for free highly energy efficient.

Many economists believe that the free market will substitute one energy source with another through technological innovation.

Rp7 rocket fuel burns at 5.000 degrees.

and food into people.

Due to the shortages of such basic commodities as fuel, food and drinking water.

It's chemically fueled.

It sounds very important, right?

They need fuel as much as we do.

We've talked about the soil erosion.

Linear take, make, waste.

I smell jet fuel.

For the first time in this book, we explain the time has come for man to walk away from ethos of burning.

I can't give you a fuel injection.