The objection to ethanol fuel has not only come from inside the legislature. In response to the global food crisis that has occurred recently, some international aid organizations have also joined forces with the oil industry, US retailers, and representatives of farmers who breed cows, pigs, and chickens in the United States to pressure the U.S. government departments to look for opportunities to stop the biofuels program. In particular, the implementation of a program for producing ethanol from corn. In their view, converting large amounts of corn to ethanol fuel is a crazy act when food prices in supermarkets skyrocket.
In the past few years, the sharp rise in crude oil prices has made ethanol fuel an important part of the U.S. government’s energy strategy. President Bush hopes to reduce gasoline consumption by 20% by 2010, of which ethanol is an important weapon. The United States’ Energy Policy of 2005 Act plans to increase annual ethanol production to 7.5 billion gallons in 2012. In December last year, the new bill put forward a more ambitious goal: in the United States in 2008, corn and cellulose should be used to produce 9 billion gallons of ethanol; by 2022, ethanol production will further increase to 36 billion gallons.
"Our enthusiasm for corn ethanol requires thinking twice," said Republican Senator Jane Harman. Texas Baron Joe Barton believes the 2005 Energy Policy Act is more realistic.
Of course, not everyone agrees to change the current bill. Senator John Thune is collecting the signatures of parliamentarians to stop any action that the US Environmental Protection Agency may take to destroy the current ethanol fuel program. A statement released by Sanger’s office stated: “This will be a battle,†said John Dingell, chairman of the Energy and Commerce Commission, who believes that the demands of these members are ridiculous. “The bill passed in December 2007. The ink on the document has not dried yet and the debate begins."
Last week at the United States Congress hearing, the parties said differently how much ethanol fuel affected corn prices. Opponents believe that the large amount of corn used to produce ethanol has doubled the price of corn in the international market for nearly three years. The party that supports ethanol fuel said that the main reasons for rising food prices are dry weather in some important agricultural areas, rising energy costs due to high oil prices, and rising demand for food in developing countries. Corn ethanol is only a scapegoat.
This issue is still difficult to determine. Although last year, the price of food in the United States rose by an average of 4% to 5%, which is a little higher than the increase in egg and milk prices. However, at present, the corn planting area in the United States is the largest in 63 years, and the annual output and export volume of corn also have a substantial increase. From this point of view, the reason why the rising price of corn should not be attributed to the United States’ biofuels Encourage the plan.
For the dispute between the two sides, Robert Meyers, deputy assistant director of the US Environmental Protection Agency, said that the EPA will respond as soon as possible, but no specific policies may be introduced within the last three months.
Vacuum-formed plastic is used to produce a variety of custom design parts.Vacuum forming become to be a popular and cost-effective solution for a wide range of plastic forming needs.
The product's application must be taken into consideration while selecting the material. Normal vacuum forming plastic included:Polyester, HDPE, LDPE, PVC,PETG,polypropylene, polystyrene, ABS, acrylics, polycarbonate, ASA as well as other ABS capped acrylic and ABS capped polycarbonate.
ABS plastic also named Acrylonitrile Butadiene Styrene,is the most widely used in vacuum forming and available in a range of textured, smooth and embossed finishes, offered in virgin, recycled,UV resistant and flame retardant grades(UL94-V0). As good impact resistance ABS usually is vacuum formed for vehicle,equipment,plastic tray and so on industrial.
HIPS plastic also named High Impact Polystyrene ,is most used in Point of Sale (POS), display and signage market due to its visual appearance (colour options, gloss level, texture), the ease with which it can be processed along with its antistatic and electrical conductivity.
HDPE plastic also named High-Density Polyethylene,is widely used in indoor and outdoor applications including bottles, playground equipment packaging and furniture. It is a plastic with high tensile strength, and good chemical and corrosion resistance.And it has properties of recycling,UV stabilised, improved impact resistance.
PP Plastic also named Polypropylene,is similar to PE. But PE is more harder more heat resistant.But PP is more durable.Mostly plastic tray is produced by PP plastic.
PMMA plastic also named acrylic or glass fiber.It has properties of tensile strength, transparency, polishability and UV tolerance but less impact strength.It is available in clear, antiglare, opal, white, and frosted.It is best choice for windows, displays or see-through enclosures.
PETG named Polyethylene Terephthalate Glycol is another clear rigid plastic sheet.PETG is easily vacuum formed, printed, bonded and polished. As its' excellent clarity and impact resistance, it is widely used in outdoor application.
PC named polycarbonate, has combined advantage of PMMA and ABS. Usually is transparency and semi- transparency. It is expensive but that is best choice for clear plastic vacuum forming.
ASA is one new material which has all good properties of ABS. But much good UV resistant for outdoor usage. It usually be used for radome,air conditioning housing etc outdoor products.
Meanwhile, ABS capped acylic combined the good properties of ABS and acylic. ABS capped polycarbonate combined the good properties of ABS and polycarbonate.If you need high glossy surface for your design,then this is your only choice.
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