He'd been told to listen for the sound of an internal combustion engine.
It is used to force air into an internal combustion engine.
Isn't it now time to give up the internal combustion engine?
In practice, of course, that is not how an internal combustion engine works.
The first internal combustion engines must have looked like this, to the people who'd never seen one before.
For now, however, the internal combustion engine will continue to rule.
There is such a thing as an external combustion engine.
On the open road, the primary power source is the internal combustion engine.
Not that the ancient combustion engines would work now anyway.
How do you produce the desired amount of power without a combustion engine?
So steering is done by moving the direction of the small internal engine.
He'd been told to listen for the sound of an internal combustion engine.
It is used to force air into an internal combustion engine.
Isn't it now time to give up the internal combustion engine?
In practice, of course, that is not how an internal combustion engine works.
The first internal combustion engines must have looked like this, to the people who'd never seen one before.
For now, however, the internal combustion engine will continue to rule.
On the open road, the primary power source is the internal combustion engine.
This was the first internal combustion engine to be produced in numbers.
By the end of the decade, many cars will not be using internal combustion engines at all.
"What we need is a replacement for the internal-combustion engine."
Are hybrids a first step toward turning the internal-combustion engine into a dinosaur?
During the 20th century, internal-combustion engines became the major power source of heavy equipment.
Like to look at my book on internal-combustion engines now?
He was a pioneer of internal-combustion engines and automobile development.
But his interest in power isn't restricted to internal-combustion engines.
But I did not hear the familiar clatter of an internal-combustion engine.
Ford described to Edison the car and its internal-combustion engine.
Starter motor, for starting an internal-combustion engine of a vehicle.
They said the van's performance and range would not approach what buyers expected from internal-combustion engines.