In Europe, anti-car activism is quite advanced, and many inner cities ban internal-combustion auto traffic entirely.
According to Bosch's calculations, a conventional internal-combustion-engined car can travel 1.5-2.5km on a kilowatt-hour (kWh) of energy.
In SNG's case, the gas can also be compressed and used to fuel cars with internal-combustion engines.
Likewise, BMW withdrew its own test fleet of 100 cars with internal-combustion engines modified to run on hydrogen.
There is, however, an alternative: burn the hydrogen in a conventional internal-combustion engine.
The clear trend at this show is toward green cars that go the extra mile with regular old internal-combustion engines.
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This slowing effect is used by Lotus to simulate engine braking, in which resistance inside an internal-combustion engine decelerates the car.
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It is also researching fuel cells as an alternative to internal-combustion engines.
Over time, the shipyards became centers of expertise in the internal-combustion engine.
Amazingly complex internal-combustion engines give great performance and clean air, and the new hybrids (gasoline and electric) go 21 kilometers on a liter.
If we are talking about an automobile powered by anything other than, or in addition to, an internal-combustion engine, we are talking about electric motors.
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Instead, I leaned in farther in a panicked attempt to find the nearest sidewalk and escape the internal-combustion engines threatening to crush me from behind.
These devices, which work by combining hydrogen with oxygen from the air to produce electricity, are popular candidates to replace internal-combustion engines in road vehicles.
Oil is found in relatively few places, and its energy density, pumpability and ease of use in internal-combustion engines makes it particularly well suited as a transportation fuel.
The internal-combustion engine will still be king of the road in the early 2020s, when only a fifth of cars sold in Europe will be hybrid or electric.
And in this case, the hybrid model has nothing to do with overhead cams and internal-combustion horsepower but everything to do with using IT-driven insights to get NASCAR fans to buy more tickets and engage more actively with the sport.
And as we develop better and better, more fuel-efficient cars, plug-in hybrids, other hybrids, more efficient internal combustion cars -- the Americans will vote with their feet.
It actually began to occur long before humans invented agriculture, smoke stacks, and gasoline-fueled internal combustion engines.
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High-efficiency internal combustion engines combined with lightweight materials can dramatically increase fuel efficiency in cars and trucks.
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When the battery is depleted (or when driven at very high speeds), the premium-gas internal combustion engine powers the car, but its fuel mileage suffers from having to shove around 400lbs of batteries.
The technology isn't new-a patent for a hydrogen internal combustion engine was issued in 1928, and a 20hp fuel-cell tractor was demonstrated in the late 1950s.
While some could argue that pure electric cars are still not ready for prime time, the Volt exists as the bridge between internal combustion and battery-powered propulsion.
The internal combustion technology that MCE-5 has been working on was something Saab also dabbled in almost a decade ago, but the project was shelved by GM due to lack of funds.
It is a hybrid, powered by both a small internal combustion engine and a battery-driven electric motor.
"Lots and lots of things are happening that indicate a worldwide interest, and most of the knowledgeable people are convinced that the next-generation replacement for the internal combustion engine is going to be a fuel cell, " Roan said.
It's powered by a hydrogen internal combustion engine that turns a 44-kilowatt electric generator that runs eight propellers and whatever communications equipment is loaded on board.
Hybrids, already being sold by Honda and Toyota by the thousands, use battery-powered electric motors to assist traditional internal combustion engines.
With the loss of inefficient internal combustion engines along with the use of heat-pumps and better insulation in the building sector etc.
So some people might be surprised at my latest venture: retrofitting the plug-in hybrid Fisker Karma with a powerful internal combustion engine.
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