Its creators said the trip is the first attempt by a solar airplane capable of flying day and night without fuel to fly across America.
Electric-only driving is possible without any fuel consumption or local emissions, which is especially advantageous in city driving.
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Without sufficient fuel for planes, airborne troops have not had much training.
That is a considerable accomplishment: more than half the electrons generated in the past two months were created without associated fuel costs or emissions.
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Last year, after going about 30 years without raising fuel-efficiency standards, we finally put in place a national fuel-efficiency standard for cars and trucks.
The Solar Impulse is powered by about 12, 000 photovoltaic cells that cover massive wings and charge its batteries, allowing it to fly day and night without jet fuel.
Would we be better off if we could run our cars on water rather than gasoline, and fly our airplanes without any fuel, and heat our homes with sunlight?
This scheme could be used to boost satellites from low orbits to higher ones without using any fuel.
Without gains from fuel-hedging contracts, Southwest would have earned 7 cents per share, topping analysts' forecast of 2 cents per share.
One distinct advantage of biobutanol: Cars can use close to 100% of the fuel without making any vehicle modifications, DuPont says.
Unlike other technologies, Sequesco says it can convert carbon into liquid fuel without sunlight, which would avoid the Achilles heel of similar technologies.
These wheels help the probe maintain its "attitude", or orientation, in space without needlessly expending fuel by using thrusters to do the same job.
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Jet fuel without the benzene, lead, dibromide, lead or ethylene dichloride.
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Without the required fuel reserve, NASA won't allow docking because Dragon might not be able to safely depart or properly position itself to re-enter the atmosphere.
The Renewable Sustainable Expeditionary Power (RSEP) program seeks to create a transportable renewable hybrid system that can provide Marines with electricity for a 15-day mission without relying on fuel resupply convoys that often become targets for adversaries.
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Also, the test is done without air-conditioning, which reduces fuel economy, and without any popular options that add weight to vehicles, thereby making them less efficient.
If the U.S. finds a place for its nuclear waste to go, some fuel assemblies will have to be removed from casks and transferred to transportation packs, a dangerous enough task without the prospect of fuel rods ruptured or crumbling.
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This has a big impact on improving fuel economy without inducing an artificial feel.
Wall Street turned disdainful, and without cheap capital to fuel the binge, Mail-Well ran out of momentum.
This is leading to the increased adoption of EcoBoost by truck buyers who value fuel efficiency without compromising on capability.
Hiring alternative fuel cars without having to worry about infrastructure is a great way of making people more comfortable with this technology and tackling worries such as range anxiety.
You can also buy a car that shuts down one or more engine cylinders when it is coasting, or cruising under a light load, reducing fuel consumption without sacrificing performance.
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Clean cooking solutions have been created but with the idea that one size fits all, without considering the different fuel sources, food choices, cooking styles, or the size of the family.
And, because the economic value is high, markets want more and consequently drive energy demand in large measure without regard to primary fuel cost--the cost of energy fades in to the twilight.
Reza Khazaneh, a former adviser to the head of Iran's Atomic Energy Organization (IAEO), told the semi-official news agency the tests will be carried out using "dummy" fuel rods without enriched uranium.
It has partnered with Toyota to co-develop hybrid systems that will provide greater fuel efficiency without compromising on performance, as well as develop in-car telematics and Internet based services that can lead to a spike in car sales.
They reflect the demands of consumers who spend an inordinate amount of time on the road and want better fuel efficiency without compromising performance, seamless digital connectivity and at least the promise of a car that runs on electricity and is fun to drive.
Over the long term, insists Tanti, wind power will be competitive with fossil fuel power even without subsidies.
Without that water, the fuel rods in the reactor begin to melt.
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In the countryside the men have the backbreaking work of farming without mechanisation: again, fuel is dear, and many powered irrigation systems have broken down.
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