Saturday, August 23, 2014

Alternative Eco-Friendly Green Fuels for Car

Day-by-day environment is getting polluted with release of dangerous gases in to the atmosphere due to which people are looking for eco-friendly products and things to save the environment. Many electronic goods are environmental friendly today. In the same way, cars are also manufactured eco-friendly so that they suit for green fuels which doesn't cause damage to the environment. Here are a few eco-friendly green fuels that you can use for your car.

Ethanol
Ethanol is the greenest fuel and is environmental friendly as it is derived naturally. This fuel can be used as an alternative to petrol as it is less polluting because it won't produce any kind of Sulphur dioxide or lead emissions. In US ethanol is available in two types one is E10 and other is E85. E85 has many advantages like very low air pollution, engine knock is reduced, etc. Almost 10 % of  cars in UK also run on ethanol as it brings great advantages to the environment and the car.

Bio-diesel
Bio-diesel is nothing but vegetable oil which is alternative diesel for cars that run on gasoline and it is environmental friendly. This oil is produced from recycled grease. It is said that the engines that are running with bio-diesel are long lasting and runs smoothly with less pollution than the gasoline oil. This oil is safe to use as it is bio-degradable and non-toxic and net carbon emission is very less than the petrol.

Natural gas
The cars that run on natural gas use two types of fuel oils, one is CNG (Compressed Natural Gas) and the other is LNG (Liquified Natural Gas). Natural gas is a fossil fuel which contains methane mostly. The engines of the natural gas are less resistant to corrosion and they emit less carbon pollutants or compounds in very less amount. It is cheap when compared to the gasoline and is one of the cleanest burning alternative fuel oils. But, the disadvantage is the vehicles that run on natural gas are not available in more models.

LPG (Liquid Petroleum Gas)
It is blended from butane and propane. The engines that run with the help of LPG are eco-friendly and are fuel efficient than the non bio-fuel i.e. petrol. The emission of carbon dioxide and carbon monoxide are less. This fuel is suitable for heavy vehicles.

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Friday, August 22, 2014

Smaller and Greener Electronics

Modern age is looking for the technologies that can be easily handled and that have little or no effect on the environment. Many electronic goods have come up, which has enhanced technologies. For example, personal computers earlier were mainframes which occupied a lot of space. Today, they have been transformed into very small sized ones. Electronic manufacturers are developing smaller and the greener electronics that benefit the users and the environment.

According to sources of Wolkow, he and his team are trying to develop new technologies at atomic scale. He also says that they are trying to make things much better, smaller and cheaper which will limit for 30 years and told that their approach is coming to an end soon. Their final goal is to make ultra-low-power electronics, which is in wide usage today. For developing this kind of technologies, entirely new ways of computing are necessary.

Atomic-scale electronics
Wolkow team of National Institute for Nanotechnology, U of A's physics department are making researches on automatically precise technologies. Some of the researches that they previously undertook is a groundwork for the new basic electronics particularly for ultra-low-power electronics.

This team has created the smallest ever quantum dots, which is a single atom of electron measuring less than one nanometer. Wolkow says, these dots are vessels that confine electronics which are like pockets on a pool of table. Between the dots, there can be space so that the electrons can be in two pockets and also can share the electrons and interact. This development has laid a path for atomic-scale electronics.

New discoveries laid path for superior nanoelectronics
Recently, in a research paper published in physical review letters, post-doctoral fellow Bruno Martins along with Wolkow and his team discusses how the electrical current is passing across the skin of silicon crystal. They also measured the electrical resistance.

According to Wolkow, these silicon crystals are smooth. Some imperfections in each step are one atom high, which made them know the causes for electrical resistance. The ability to record magnitude of resistance laid a path to design nanoelectronic devices.

There is research by Wolkow and his team to give a path for the nanoelectronic devices. They are trying to launch this smaller and greener electronics very soon after the researches completed. These researches have the potentiality to entirely change the world basic electronics.
We can expect smaller and greener electronics coming into the market with the help of researchers such as Wolkow and his team researches.