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gas prices continue to rise, with no end in sight. This trend is also the need for every human to purchase more fuel efficient cars. After a car with good fuel consumption is not only helpful in saving money, but it is also an essential part of repairing the environment.

The official definition of fuel consumption, how much gas is needed to move a certain distance. In the United States, fuel consumption is measured in miles per gallon, while the rest of the world, it is mostly calculated in liters per hundred kilometers. These measurement systems are very different, a higher number in the U.S. system is optimal, while a lower number to travel to the metric system (the lower the number, the lower the required amount of fuel per hundred kilometers) is desired.

Governments will be regulated under indication of the importance of fuel consumption and laying down guidelines, the efficiency in the future. The European Union has decided that by 2012, gasoline cars must be at least a 47mpg rating, and diesel vehicles must have at least a 52mpg rating. The United States currently taxes vehicles that do not respect not to the environmental standards as a means to discourage their production. These taxes and penalties to dramatically increase significantly in the coming years.

Engineers are constantly working on ways to find to increase the fuel efficiency of vehicles. Several factors affect fuel economy, it is a question of change of these factors is more efficient to produce. The weight of a car is one of the biggest factors in fuel economy, so engineers are always ready to make cars lighter.

This can be done by replacing traditional materials such as iron, with alternative options like carbon fiber. Wind resistance and drag cars need to exert energy to overcome them, so that vehicles designed for these factors are minimal experience better fuel economies. All to raise or what can save energy is beneficial. For example, switching off the engine stopped while driving to save energy.

Improving the efficiency of engine combustion is a key factor. Most engines use only 10-20% of the energy released from the combustion of fuel, the rest is lost in heat and other forms of energy. Fuel cells are so popular because it can up to 80% of its energy produced can be used directly. Different types of combustion engines, such as lean burn and HCCI combustion are being tested to determine which method is most efficient.

Average consumers can play their part to increase the fuel economy of their vehicles. Increased fuel efficiency products in the market popular, but most of them do not actually improve efficiency at all. Simple things as you keep the tire pressure high, and slowly speed up and slow down, a vehicle to expand its rating a fair measure.

Hybrid cars are currently the best option for those who want speed and great fuel economy. These models combine electrical and gasoline engine components to something, not like an electric car did not create the feeling. recover hybrid vehicles wasted energy during braking, off gasoline power during idle periods and exploit gas and electricity while reducing the total amount of consumed fuel. All these factors together lead to fuel ratings of over 50mpg and emissions reduction.