Posted by admin on 24 December 2008
Biofuels are produced by converting organic matter into fuel for powering our society. More often today, these biofuels are being used as an alternative energy source to the fossil fuels that we currently depend upon. Ethanol and derivatives of plants such as sugar cane, as well as vegetable and corn oils are all included in the aresenal of different biofuels. The International Energy Agency (IEA) tells us that ethanol could comprise up to 10 percent of the world’s usable gasoline by 2025, and up to 30 percent by 2050. Ethanol accounts for two percent of usage today.
However, we have a long way to go to refine these biofuels that we are researching and they become extremely economical and practical. Oregon State University did a study that proves this concept. We have yet to develop biofuels that are as energy efficient as gasoline made from petroleum. Energy efficiency is the measure of how much usable energy for our needed purposes is derived from a certain amount of input energy. (Nothing that mankind has ever used has derived more energy from output than from the needed input. In other words, the end product is what we use as alternative energy and needs to be more efficent than the effort used to produce it.)
The OSU study found corn-derived ethanol to be only 20% energy efficient while gasoline made from petroleum is 75% energy efficient and biodiesel fuel was recorded at 69% energy efficient. However, the study did turn up one positive: cellulose-derived ethanol was charted at 85% efficiency, which is even higher than that of the fantastically efficient nuclear energy.
There are several nations which are seriously involved in the development of biofuels. Brazil happens to be the world’s biggest producer of ethanols derived from sugars. The country produces approximately three and a half billion gallons of ethanol per year. The United States, while being the world’s greatest oil-guzzler, is already the second largest producer of biofuels behind Brazil. The European Union’s biodiesel production capacity is now in excess of four million (British) tonnes - mostly derived from rapeseed oil; soybean oil and a marginal quantity of palm oil.
Recently, oil futures have been down on the New York Stock Exchange, as analysts from several different countries are predicting a surge in biofuel availability. This would offset the value of oil, dropping crude oil prices on the international market to somewhere around $40 per barrel. The Chicago Stock Exchange has a grain futures market which is starting to “steal” investment activity away from the oil futures in NY, as investors are definitely expecting better profitability to start coming from biofuels.
Indeed, it is predicted by a consensus of analysts that biofuels shall be supplying seven percent of the entire world’s transportation fuels by the year 2030. Demand for diesel and gasoline may slow down dramatically, says one energy markets analyst, if the government subsidizes firms distributing biofuels and further pushes to promote the use of eco-friendly fuel.
Posted by admin on 18 December 2008
By new hybrid car we refer to any vehicle that relies on two separate power sources for propulsion. There are all sorts of alternative power sources among which we can count wind, natural gas in liquid or compressed form, rechargeable units, wood, coal and the like. The very concept of new hybrid car designates electric vehicles that adapt the usage of an internal combustion engine to that of the electrical batteries.
As mentioned above, there are other hybrid vehicles beside the new hybrid car we will mainly deal with here. Just think of mopeds and electric bicycles. These are the simplest forms of hybrid vehicles. The combination between a gas engine or a battery and the physical power of the muscles is definitely superior. Then there are hybrid heavy vehicles like railway locomotives, buses, heavy goods vehicles, ships or mobile hydraulic machinery. Normally, the term new hybrid car-vehicle is used to refer to hybrid electric vehicles. This category includes the next types of automotives: AHS2 (Chevrolet Tahoe, GMC Yukon, Chevrolet Silverado, Cadillac Escalade, Saturn Vue), Toyota Prius, Ford Escape Hybrid, Toyota Highlander Hybrid, Toyota Camry Hybrid, Honda Civic Hybrid, Honda Insight and many others. A petroleum-electric new hybrid car usually takes its power from an internal combustion engine (gasoline or diesel engine) and an electric battery.
The beginnings of the hybrid car date back to the late 1900s when David Arthurs, an electrical engineer from Arkansas, invented the braking regenerative hybrid. Besides the new hybrid car as mentioned above, which uses two or more different propulsion devices, there are also vehicles which use distinct sources of energy or input types but only one engine. Though there is a certain similarity to a new hybrid car, distinctions do exist. Actually the latter should be more appropriately called dual mode vehicles (electric trolleybuses, dual mode buses, flexible-fuel vehicles, etc).
There are lots of advantages to buying a new hybrid car, and the green considerations are not the only ones. First of all, you get to do something for the environment and humankind, but you also save money on fuel. These two advantages and benefits brought about by the new hybrid car are tributary to at least three elements in the design: the combination of gasoline and the electric motors, a battery with plenty of storage capacity and the possibility to re-capture important amounts of energy, which are normally wasted while braking.
Posted by admin on 11 December 2008
Now that gas is almost three dollars or more a gallon, people will do anything to see some gas mileage improvement when they drive long ways from home. However, it is starting to hurt just driving back and forth to work as well. When gas prices go up, people stay home more and that means a loss for the travel industry and hotels. Along the same lines, people have to pay more for services that rely on gas like air travel and bus travel. Until the prices go down, if they ever do, you have to do a few things to save money.
The problem with gas mileage improvement is that there is not much you can do to save money other than stay home or carpool. You can keep your engine in top shape, and make sure all filters are clean and clear, but the difference is not going to add up to much. Some suggest that turning off the air conditioning and rolling down the windows will help with gas mileage improvement, but some think that having the windows down creates more resistance to the wind, and that means more gas is needed to travel at the same speed as usual.
You might want to skip the small things you can do to see gas mileage improvement, and go for the larger things that will show and immediate affect in your wallet. This means that you have to find a new way to get to work. You should find someone to ride to work with, and you can take turns driving and/or paying for gas. If you can get more than two people in on the deal, you are going to save more money. You could also ride a bike to work, but that is not always possible or reasonable for everyone.
Some are saying that gas prices are not high enough to effect true gas mileage improvement. They say that prices must get higher in order for people to make real changes and to become less reliant on gas. I can see the logic behind this, but I don’t think that is something that is fair for most people. A lot of use would love to go out and get a hybrid car or truck, but most of us can’t do it at the moment. It would only serve to hurt those who are not wealthy and destroy the economy.
Posted by admin on 06 December 2008
Toyota hybrid cars were the first to hit the market. After decades of quality gas-fueled vehicle manufacturing, Toyota Motor Corp. redirected its creative efforts in an environment friendly direction. The first model from the Toyota hybrid cars was Prius that made a true revolution in the world of automakers. Toyota hybrid cars stand out from among the other models on the market by their multi-leveled superiority: the the properties of the internal combustion engine, the mileage per hour rate it gets within a few seconds and all the road conditions it offers are some of the best, not to mention that the reliability of the concept and the price are equally profitable for car owners.
Some of the Toyota hybrid cars are also expected to bring modifications in terms of cylinder performance so that they may come to mark a total change in independent circuit racing. Not everybody is prepared to embrace vehicles in the green line, and this is the reason why the production as such is kept pretty reduced. Anyone who’d like one of the Toyota hybrid cars manufactured in series production can place an order and a deposit with the local Toyota dealers. Before going for the purchase, have a look at the technical data and even compare them together with a mechanic expert .
The main inconvenience with Toyota hybrid cars is that they are worth a fortune, with prices climbing up to $165,000. The next Toyota Prius model expected to be unveiled in January 2009 will probably be more accessible to the average user. It is designed as a more powerful and larger vehicle with an engine growth to 1.8 liters. The line of all-electric fuel-free driving possibility will be created without making Toyota models bulkier.
Although the future Toyota hybrid cars will undergo some upgrading, they will keep relying on the nickel metal hydride batteries without offering any plug-in choice. The Prius design to be launched will be available in several models from the wagon and the pickup to the compact and mid-sized SUV. The new Toyota hybrid cars owe a great deal to the first Prius models with the fuel-free mode available for low speeds. Then, the joint power engine of the gas and electric motor devices will allow you to enjoy the speed of a cozy ride while saving on fuel.
Get more information on hybrid cars here Nissan Altima Hybrid and also here Electric Hybrid Car.