The fuel cell looked great one tenth as many moving parts and a fuel cell propulsion system as an internal combustion engine and it emits just water.

So we embarked upon the reinvention around an electrochemical engine, the fuel cell, hydrogen as the energy carrier.

You don't have much fuel left in that engine, either.

That means seat belts, disc brakes, fuel injection, and a rear engine.

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

The collision left us with one good orbital maneuvering engine and it's leaking fuel.

We embodied all of the key components of a fuel cell propulsion system.

Fuel, Skripach, fuel...

lately, in the last couple of weeks, people have seen that there's an enzyme called hydrogenase that's able to evolve hydrogen from proton and electrons, and is able to take hydrogen up basically what's happening in a fuel cell, in the anode of a fuel cell and in a reversible fuel cell.

Your car won't go forever unless the engine keeps burning fuel to drive and consuming energy

Let's say we converted all the vehicles in the United States to battery electric vehicles, hydrogen fuel cell vehicles or flex fuel vehicles run on E85.

If you put that same fuel in an internal combustion engine car, you get about 20 percent efficiency.

Hy Wire is the world's first drivable fuel cell, and we have followed up that now with Sequel.

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( engine turns over ) ( engine sputters, starts )

Mine fuel

But if your fuel source is free, then the only thing that matters is the up front capital cost of the engine.

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