fuels造句怎么写

It could alternatively be used to grow bioenergy crops, which would displace fossil fuels.

You believe that instead of trying to replace fossil fuels with other energy sources, we should let the system slide.

Atmospheric brown clouds are made up mostly of soot - suspended carbon particles - produced by people Burning biomass and fossil fuels.

Compared with free electrons, fossil fuels would be seen as ludicrously expensive and dirty, and so carbon emissions would plummet.

Though the fuels are frosty, upon ignition they generate scorching steam (5, 000 degrees) and plenty of thrust: Hydrogen is 40 percent more efficient than other propellants.

There is no realistic prospect for widespread electric air travel: the jet engines on aircraft need the high-energy density that only chemical fuels can provide.

That would involve putting a floor under the price of fossil fuels by imposing a price on carbon emissions and import duties on oil to keep the domestic price above, say, $70 per barrel.

They pointed out that the excavation of fossil fuels has its own history of catastrophic accidents, including coal mine collapses and the recent BP oil spill in the Gulf of Mexico.

That means any efforts aimed at limiting greenhouse gas concentrations will have to be even more stringent in reducing the burning of fossil fuels, clearing of forests and the like.

low-caloric-value fuels

BMW also has a checkered past with alternative fuels.

The UK is trying to remove aviation from the bloc's target on renewable fuels.

Such a future, though, depends on cars continuing to be powered by liquid fuels.

The graveyard shortage is making burial plots another hot spot for investment, which further fuels the price hike.

The country also is a major maker of cement, which is a dirty business because the kilns burn the dirtiest, cheapest fuels, such as oil sludge.

Just as importantly, neither of these fuels impacts food supply, the carbon footprint in terms of production is low, and the cost of each is rapidly falling.

Warming the whole room with a fire in the Ondol fuel chamber has been the best heating method since the times when wood, grass, and coal were used as fuels.

Fuels to be burned include solid, liquid, or gaseous fuels.

Self pity fuels the cycle of repeating what you've always done.

But the other trend is that the price of coal and other fossil fuels are going up.

The growth in biomass ethanol and third generation fuels is just beginning. We are going to need many more students in science and engineering to make this a reality.

Fossil fuels, though, are only a part of the larger energy mix.

It's a tall order: Over the next few decades, the world will need to wean itself from dependence on fossil fuels and drastically reduce greenhouse gases.

Cleaner fuels and a better environment - the call for sustainable energy is getting louder at the China Clean fuels Summit, with the country expected to invest more in the industry.

"t is also used in automotive antifreezes, in rocket fuels, and as a solvent. It is flammable and explosive. A clean-burning fuel, it may substitute (at least in part) for gasoline. It is also used for denaturation of ethanol. A violent poison, it causes blindness and eventually death when drunk. "