Sentences with phrase «hydrocarbon fuel in»

GT is also developing a plant that aims to take carbon from air and mix it with hydrogen separated from water to produce hydrocarbon fuel in a process the scientists say would be both cost - efficient and renewable.

A major infrastructural change to our transportation sector is needed, and that change must come from the federal government through direct, targeted policy aimed at eliminating our use of hydrocarbon fuel in cars, trucks, and airplanes.

Not exact matches

But I could imagine a day when the entire energy mix is fueled by renewable energy sources, and then all of the hydrocarbon products — consumable plastics, the fuels that you need for long - term energy storage and heating your home in the winter — all of that could be derived from CO2 conversion.

If we're successful and others are successful in producing alternative sources of hydrocarbons for fuels, eventually we could be shifting the supply and shifting the demand for oil.

This energy can be converted when necessary into heat and electricity by burning the hydrogen, in the same way hydrocarbon fuels are used.

And there is no reason to think that the R. eutropha could not be made to generate other products — perhaps complex hydrocarbon molecules like those found in fossil fuels or even the whole range of chemicals currently synthesized from polluting resources, such as fertilizers.

Gasoline is a petroleum - derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines.

Some of the more common soil contaminants are chlorinated hydrocarbons (CFH), heavy metals (such as chromium, cadmium — found in rechargeable batteries, and lead — found in lead paint, aviation fuel and still in some countries, gasoline), MTBE, zinc, arsenic and benzene.

The only likely exception to the rule against biofuels in transportation is the urgent need to decarbonise air transport, where low - carbon alternatives to liquid hydrocarbon fuels remain a distant prospect.

«And these liquid hydrocarbons made by the alga are currently found in petroleum deposits, so we are already using them as a source to generate fuel.

There are over 100 polycyclic aromatic hydrocarbons (PAHs) found in oil, coal and tar, which are readily released into the environment when fossil fuels are burned.

Using these tools, Carothers expects that bacteria can renewably produce hydrocarbons already in use today, like diesel and jet fuel, creating «drop - in» replacements for fossil energy.

The team also developed an additional process that uses another catalyst to convert the two phenol products into high - octane hydrocarbon fuel suitable for use as drop - in gasoline.

When hydrocarbon - based fuels like methane are burned in normal air, nitrogen gets mixed in with the combustion product — flue gases from conventional gas power stations contain as little as 3 percent CO2 — which makes scrubbing carbon from power plant emissions difficult and expensive.

We are perfecting a new technology that makes hydrocarbons — the same components found in petroleum fuels.

Until the end of September, the petrol stations will be replacing their superunleaded petrol with «summer petrol» in which a tenth of the aromatic hydrocarbons are replaced by fuel oxygenates such as methyl tertiary butyl ether, or MTBE.

Keasling's method feeds agricultural waste such as cornstalks and wheat straw to E. coli bacteria engineered to break down the sugars and produce biologically synthesized hydrocarbons that burn and function just like those in fossil fuels.

«Our process also has an important advantage over battery or gaseous - hydrogen powered vehicle technologies as many of the hydrocarbon products from our reaction are exactly what we use in cars, trucks and planes, so there would be no need to change the current fuel distribution system,» said Frederick MacDonnell, UTA interim chair of chemistry and biochemistry and co-principal investigator of the project.

Vertimass LLC, a California - based start - up company, has licensed an Oak Ridge National Laboratory technology that directly converts ethanol into a hydrocarbon blend - stock for use in transportation fuels.

Thus, in addition to the so - called «Haber - Bosch process of nitrogen fixation,» nitrogenase also stimulates a reaction corresponding to the «Fischer - Tropsch synthesis of hydrocarbons,» which can be used on a large scale to synthesize fuels, for instance from industrial waste gases..

In this process, the organisms can produce hydrocarbon - based fuels from organic waste.

That's because the core of making jet biofuel is much the same as the core of making conventional fuel: hydroprocessing, or the adding of hydrogen to existing hydrocarbons in order to remove oxygen and other impurities as well as build the right molecule.

The process, described in the January 28 Nature (Scientific American is part of Nature Publishing Group), is perfect for creating hydrocarbons with at least 12 carbon atoms in them — besides diesel, the group includes jet fuel (kerosene).

But chemical companies have also long had the technology to convert the primary hydrocarbons in natural gas — methane, ethane, and propane — into alcohols, the liquid starting materials for plastics, fuels, and other commodities made by the train load.

Colorado led the way in 1988 when Denver became the first city to introduce the additives on the basis of research claiming that they helped the fuel's hydrocarbons to burn more efficiently at low temperatures, thereby producing more carbon dioxide than CO and also reducing emissions of the polluting hydrocarbons themselves.

Artemisinin is a hydrocarbon, and we have a huge need for hydrocarbons in the fuels area.

The first step in such an electrolytic approach is splitting CO2, a tough, stable molecule, into oxygen and carbon monoxide (CO), a slightly more energy - rich molecule that can form the basis for hydrocarbon fuels like methanol.

The fossil fuels that we use contain carbon and hydrocarbons, and in the combustion of these fuels, carbon dioxide is released along with energy.

In the longer term, other clean hydrocarbon fuels are also likely to be important for cutting emissions from aircraft, shipping and long - distance freight vehicles that are more difficult to electrify.

dangers from particulates, dangers from poisons in food and water, dangers from fuel shortages, dangers from war, all of these would ease as we shifted away from this hydrocarbon economy.

Despite the explosive growth of renewable sources of electricity, making hydrocarbon building blocks and high energy density fuel sources in a renewable fashion is a major challenge.

In the syngas upgrading to hydrocarbon fuels pathway, biomass feedstocks are gasified to produce a syngas (H2 / CO), which is used as a feedstock for hydrocarbon biofuel production.

The volume will only get larger, too: oil and gas producers use at least 7.5 million liters of water per well to fracture subterranean formations and release entrapped hydrocarbon fuels, a practice that has grown in the U.S. by at least 48 percent per year in the last five years, according to the Energy Information Administration.

She received her bachelor's degree in chemical engineering at the University of Colorado, Boulder and did her Ph.D. work at Colorado School of Mines focusing on in - depth experimental and modeling studies on high temperature pyrolysis of hydrocarbons and the effects of temperature and fuel structure on conversion, hydrogen production, reactivity, and deposit formation under solid oxide fuel cell operating conditions.

Schwietzke said it's also important to account for the emissions from all the fossil fuels that are produced in a given shale gas field because many wells produce oil, natural gas and other hydrocarbons.

In a study of umbilical cord blood from New York City children, researchers found a change in a gene called ACSL3 that is associated with prenatal exposure to chemical pollutants called polycyclic aromatic hydrocarbons (PAHs), which are byproducts of incomplete combustion from carbon - containing fuels, resulting in high levels in heavy - traffic areaIn a study of umbilical cord blood from New York City children, researchers found a change in a gene called ACSL3 that is associated with prenatal exposure to chemical pollutants called polycyclic aromatic hydrocarbons (PAHs), which are byproducts of incomplete combustion from carbon - containing fuels, resulting in high levels in heavy - traffic areain a gene called ACSL3 that is associated with prenatal exposure to chemical pollutants called polycyclic aromatic hydrocarbons (PAHs), which are byproducts of incomplete combustion from carbon - containing fuels, resulting in high levels in heavy - traffic areain high levels in heavy - traffic areain heavy - traffic areas.

It is a rather composite course including elements of «How Science works» in addition to ks3 chemistry Material covered includes: Definitions, diffusion, hydrocarbon, pH, graphing and tabling skills, calculating percentage increase and decrease, fuel triangle, experimental accuracy and uncertainties.

The hydrocarbons evaporate from the fuel and oxygen acts as an oxidation catalyst changing the remaining components into other compounds leaving varnish in their wake.

Carbon monoxide (CO), is incompletely burned fuel or to be more precise are hydrocarbon molecules that split apart but don't burn in the combustion cycle.

Bottom line, you need to know the number of carbon atoms in every style of hydrocarbon to determine ultimate stociometric burn, but even this is hotly debated as «stochio» burn does NOT mean the highest power or fuel efficeiency.

The second cause of bad gas is oxidation — some of the hydrocarbons in the fuel react with oxygen to produce new compounds, almost all of them worse than what you started with.

The CVCC engine debuted in 1975 and had a head design that allowed for more efficient combustion, and as a benefit the CVCC system did not require a catalytic converter or unleaded fuel to meet 1975 Environmental Protection Agency emissions standards for hydrocarbons and carbon monoxide.

Using CVVT on both camshafts has several advantages when compared to using it only on the intake camshaft including an improvement in performance (increased volumetric efficiency) and fuel economy (reduced pumping loss), and a reduction in hydrocarbon emissions

Using CVVT on both camshafts has several advantages when compared with using it just on the intake camshaft, including a two percent improvement in performance (increased volumetric efficiency), two percent improvement in fuel economy (reduced pumping loss) and a 30 percent reduction in hydrocarbon emissions.

That means less fuel is consumed and lower emissions generated, including a 25 - percent drop in cold - start hydrocarbon emissions.

Higher fuel - injection pressure results in an improved injection spray, helping reduce raw hydrocarbon emissions in a cold engine.

These advantages include a two - percent improvement in performance (via increased volumetric efficiency), two - percent improvement in fuel economy (via reduced pumping losses) and a 30 percent reduction in hydrocarbon emissions.

The asymptotic condition in the case that all hydrocarbons are used to extract hydrocarbons is then that the net entropy gain per unit area and unit time from fossil fuel extraction has to exceed the net rate of entropy gain per unit area and unit time from purely solar flux cooling:

Right now we have ramped up our economies to match the availability of energy in the form of fossil fuels — hydrocarbons — and, hence, CO2 emissions.

So, apparently, if I understand this correctly, the idea is really about a way that actually requires an independent source of energy (and a big one) in order to make liquid fuels and other hydrocarbon - based products in a relatively «carbon - neutral» way.