Improved Fuel Economy Tips and Hybrid Cars

Americans have been suffering "sticker shock" every time they pull into the gas station lately. Fuel prices keep rising with no end in sight.

With high fuel prices on the minds of most Americans, finding ways to be more economical and fuel efficient are on the rise. So what can you do to save money? More and more automakers are developing new, easy to use tools to help drivers keep an eye on fuel efficiency.

* Make sure your tires are properly inflated. According to the U.S. Environmental Protection Agency, you can improve fuel economy by about three percent by making sure your tires are properly inflated, but not enough people do it. The U.S. Department of Energy says nearly four million gallons of gas are wasted each day nationwide for every one psi of tire under-inflation. That translates to more than $10 million per day, or $3.8 billion per year in wasted gas money.

* Test your vehicle's emissions systems to make sure the engine is working efficiently. Fixing an engine that has failed an emissions test may improve gas mileage by four percent, on average. That's the equivalent of 12 cents per gallon.

* Change your car's oil and filters regularly. Changing the oil regularly (as recommended by the vehicle manufacturer) will increase the life of the car's engine. Clean oil reduces wear caused by friction between moving parts and it removes harmful dirt and grit from the engine. The car's air filter keeps impurities in the air from damaging internal engine components. Not only will replacing a dirty air filter improve fuel economy, it will protect the engine. Clogged filters can cause up to a 10 percent increase in fuel consumption.

Recognizing that not enough people find time to keep up with vehicle maintenance issues due to busy schedules and family commitments, more and more automakers are working on ways to help drivers worry less and pay less. GM is adding a new level of service to OnStar's popular monthly diagnostic e-mail that allows drivers to closely monitor conditions that can affect their car's fuel efficiency.

Enhancements to OnStar Vehicle Diagnostics, which collects valuable maintenance information on the vehicle's four key operating systems and sends a personalized e-mail directly to the owner, are being updated throughout 2006. Soon, the system will notify drivers of select models of the actual psi reading for each tire so they can make adjustments to improve fuel efficiency. The e-mail's oil-life monitoring feature now predicts the mileage at which the next oil change will be needed based on current driving patterns.

Enhanced vehicle emissions data gives consumers additional peace of mind that their emissions systems are operating efficiently. And vehicles that can run on E85 ethanol have access to the National Ethanol Vehicle Coalition's (NEVC) handy E85 ethanol station on-line look-up tool through a hotlink in the OnStar Vehicle Diagnostics e-mail. And when driving, drivers can receive directions to the nearest E85 ethanol station by pressing the blue OnStar button in their vehicle.

The new hybrid cars are an excellent choice for anyone looking to save money at the gas pump and help the environment. Many car manufacturers are making hybrids because they are small and fuel-efficient. They are powered by a combination of an efficient gas engine and by electric motor that helps with accelerations. Batteries that recharge automatically power the electric motor. On this Hybrid Cars site you will find a large selection of topics covered with expert advice and tips for anyone considering the purchase of a hybrid car

EDITOR'S NOTE: Calculations based on an average gas price of $2.60 for 2006 from the DOE's Energy Information Administration. Estimates for fuel savings from vehicle maintenance are based on studies and literature reviews performed by Energy and Environmental Analysis, Inc., Washington, DC.

Courtesy of http://www.activehybrid.com

The new hybrid cars are an excellent choice for anyone looking to save money at the gas pump and help the environment. Many car manufacturers are making hybrids because they are small and fuel-efficient. They are powered by a combina

Hybrid Cars How They Operate

There are two main types of hybrid cars: series hybrid cars and parallel hybrid cars.

Parallel hybrid cars work by using a combination of a traditional gas engine and a high output electric motor. The different elements of the engine start working at higher or lower levels of output are required. If the car is being driven carefully and accelerating at a reasonable level the electric motor will work on its own until a greater output is needed at a higher speed. Then the small high performances, in terms of fuel economy that is, gas engine takes over. This is a seamless almost unnoticeable process with a smooth transition of control from electric to gas power. Hot Car Forum

As the acceleration is powered by the electric motor the gas engine can be much smaller and more economical. There is no need for a great deal of energy, merely enough to keep the car at a steady speed, or to move the car from a mid range, around 40 mph to a higher speed. This requires a lot less energy than the initial movement from a standstill and consequently can be achieved with a lower level of power.

The parallel system of using both the gas engine and electric motor for hybrid cars means that there is less loss of power as when the car is traveling at higher speeds. As the energy is not required to go through the batteries and electric motor before providing power to the car. When traveling in this mode there is no need for the electric motor to operate and this also allows it to be recharged by the gas engine as the vehicle is traveling along. All ready for when the hybrid car slows and switches back to the electric motor.

Series Hybrid Cars: a series design works by powering the vehicle through an electric motor. The batteries supply the power to the motor. As the power arrives at the motor through the battery, series hybrid cars need a substantially larger reserve of power and consequentially a greater amount of batteries need to be carried in the car.

The motor only uses the exact amount of power required for the task in hand. If you spend hours in a traffic jam, you may get a little hot under the collar but your car will not be overheating. An electric motor does not need to tick over or idle when sitting in a jam; it will simply start turning when you start moving. When driving hybrid cars there will be no power (although maybe a little hair) lost even in the most extreme of gridlocks. As the motor will not be working when the vehicle is still, there is no need for the batteries to be recharged until power is again being lost when the car starts to move forward.

The large battery supply that is required for series hybrid cars is kept supplied with energy by a generator that runs from the main gas power unit. This only needs to operate when the batteries are in need of extra power so for much of urban driving there is no need for the motor to operate as only low levels of power are required. This allows the hybrid cars engine to run without emissions for city driving, especially if some higher powered driving, as for highways or main routes is done, and the consequent loss of power means that the hybrid cars batteries are brought upon to their full power supply by the gas motor when out of the urban environment.

There are advantages to both systems, but overall the parallel system is the most flexible for hybrid cars as it allows for the option of either power source to be transferred directly to drive the car without going through another separate means of transmission to the wheels.

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